CUET UG Geography Booster Test 2-Data Processing and Tabulation -

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CUET UG Geography Booster Test 2-Data Processing and Tabulation

⏱️ 30 Minutes

❓ 20 Questions

📌 Answers are locked once submitted — results and explanations appear at the end.

CUET UG Geography Booster Test 2-Data Processing and Tabulation

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QUESTION 1 OF 20

Consider the analytical state of raw data immediately after collection from primary sources:
Statement I: It exists as an organized array of variables ready for geographic comparisons.
Statement II: It represents a big jumble of information with the least comprehension.
Which is true?

Answer Review

1 Consider the analytical state of raw data immediately after collection from primary sources:
Statement I: It exists as an organized array of variables ready for geographic comparisons.
Statement II: It represents a big jumble of information with the least comprehension.
Which is true?

A Only I

B Only II

C Both I and II

D Neither I nor II

💡 Short Explanation

Freshly gathered field research information contains zero structural organization. It presents data points exactly as they were noted during collection. This state is textbook-defined as a jumble of raw facts with minimal comprehension.

✅ Correct Answer Explanation

Statement I is completely false because raw data, immediately after collection, is completely unorganized, unclassified, and unpivoted; it is far from being an organized array of variables ready for direct geographic comparisons. Statement II is accurate because the text states that data collected from primary or secondary sources initially appears as a big jumble of information, offering the least amount of comprehension until it is systematically tabulated and analyzed.

❓ Why Other Options Are Incorrect

Option A: This option is incorrect because Statement I mischaracterizes raw data as being pre-organized and analytical.
Option C: This option is incorrect because Statement I directly contradicts the definition of raw data.
Option D: This option is incorrect because it rejects Statement II, which accurately describes the low comprehension of raw data.

🎯 Strategy

used

Extreme Word Filter

Application: Eliminating Statement I because it incorrectly claims raw unorganized data is "ready for geographic comparisons" without processing.

Final Logic: Since Statement I is false and Statement II is true, Option B is selected.

🧠 Memory Trick

Raw State = Unprocessed Jumble = Minimum Understanding.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Source and State of Data

2 Before any inferences can be drawn, a chaotic mass of survey responses lacking comprehension must undergo a process called ________.

A Randomization

B Indexing

C Tabulation and classification

D Geometric comparison

💡 Short Explanation

Drawing conclusions requires arranging data into structural frameworks. Grouping data points condenses information and reveals underlying trends. Tabulation organizes raw jumbles into systematic rows and columns.

✅ Correct Answer Explanation

When a researcher has a chaotic mass of raw data, it provides no immediate analytical utility. To draw meaningful inferences, the data must go through classification (sorting individual data points into group intervals) and tabulation (systematically arranging them into horizontal rows and vertical columns). This process simplifies the layout and makes the information easy to understand.

❓ Why Other Options Are Incorrect

Option A: Randomization is a method used during data collection to avoid bias; it does not organize already collected raw data.
Option B: Indexing is an advanced mathematical step used to track variations against a baseline, which happens after tabulation.
Option D: Geometric comparison involves visual mapping or spatial analysis, which cannot occur while data is unorganized.

🎯 Strategy

used

Contextual/Tonal Matching

Application: Matching the direct remedy for a "chaotic mass lacking comprehension" to the foundational chapters of data processing points directly to classification and tabulation.

Final Logic: Organizing raw data requires classifying it into groups and tabulating it into grids.

🧠 Memory Trick

Chaotic Mass →Classify into groups →Tabulate into tables.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Tabulation of Data

3 Arrange the logical progression of structural elements when constructing a functional statistical table:
1. Allowing the analyst to present a mass of data orderly
2. Utilizing columns and rows
3. Locating the desired information quickly

A 1, 2, 3

B 2, 1, 3

C 3, 2, 1

D 2, 3, 1

💡 Short Explanation

Grids are built using intersecting horizontal lines and vertical bars. This layout allows a large mass of numbers to be presented in an orderly way. An orderly layout enables readers to find specific information quickly.

✅ Correct Answer Explanation

The construction and utility of a statistical table follows a clear structural progression. First, the table is built by utilizing columns and rows (2) to create a geometric grid. This grid acts as a tool, allowing the analyst to present a mass of data orderly (1) within a compact layout. Because the data is presented systematically, the reader is able to achieve the final practical goal of locating the desired information quickly (3). This makes 2, 1, 3 the correct logical sequence.

❓ Why Other Options Are Incorrect

Option A: This option places the final goal of locating information ahead of building the row-and-column structure.
Option C: This sequence reverses the logical flow, placing the final user interaction before the structural creation of the grid.
Option D: This sequence is incorrect because it suggests that an analyst can locate specific data entries quickly before the data is presented orderly.

🎯 Strategy

used

Option Grouping

Application: Identifying that the physical structure (step 2) must be established first narrows the correct choice down to Options B and D.

Final Logic: Since orderly presentation (step 1) happens before a reader searches for a specific entry (step 3), the sequence must be 2-1-3.

🧠 Memory Trick

Build Grid (2) →Organize Mass (1) →Locate Quickly (3).

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Tabulation of Data

4 Which tool acts as the simplest device to systematically arrange a huge mass of numerical measurements into intersecting vertical and horizontal lines?

A Index Number

B Percentage Ratio

C Tally Mark

D Statistical Table

💡 Short Explanation

Row-and-column grids help organize complex data presentation. Tabulation condenses unorganized lists into an easily readable format. Grids avoid the need for long, repetitive text explanations.

✅ Correct Answer Explanation

The textbook states that a statistical table is the simplest device to systematically arrange a huge mass of numerical measurements. It uses an intersecting layout of vertical columns and horizontal rows, converting a large, unorganized jumble of numbers into a clear, compact, and highly functional data presentation.

❓ Why Other Options Are Incorrect

Option A: An index number is a relative statistical measure used to track changes over time, not a row-and-column grid layout.
Option B: A percentage ratio is a mathematical conversion used to express data relative to a baseline of 100.
Option C: Tally marks are manual strokes used to count raw data points, not the final intersecting table grid.

🎯 Strategy

used

Contextual/Tonal Matching

Application: Aligning the phrase "intersecting vertical and horizontal lines" with standard data processing definitions leads directly to a statistical table.

Final Logic: Intersecting data lines form a grid, which is classified as a statistical table.

🧠 Memory Trick

Vertical + Horizontal Lines = Structured Grid = Statistical Table.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Tabulation of Data

5 Match the characteristic of a statistical table with its direct analytical outcome:

List I	List II
1. Systematic arrangement within minimum space	a. Facilitation of comparison
2. Adjacent rows and columns format	b. Easy identification of trends and patterns
3. Logical classification of data	c. Presentation simplification
4. Clear headings and sub-headings	d. Improved readability and interpretation

A 1-a, 2-c, 3-d, 4-b

B 1-b, 2-a, 3-c, 4-d

C 1-d, 2-b, 3-a, 4-c

D 1-c, 2-a, 3-b, 4-d

💡 Short Explanation

Systematic arrangement in minimum space simplifies the presentation of data. Adjacent rows and columns make comparisons easier. Logical classification helps identify trends and patterns. Clear headings and sub-headings improve readability and interpretation.

✅ Correct Answer Explanation

The features of a statistical table each contribute to effective data analysis. A systematic arrangement within minimum space results in presentation simplification (1-c) by organising information concisely. The adjacent rows and columns format enables facilitation of comparison (2-a) by allowing values to be compared side by side. Logical classification of data helps in the easy identification of trends and patterns (3-b), while clear headings and sub-headings improve the readability and interpretation (4-d) of the table. Therefore, the correct combination is 1-c, 2-a, 3-b, 4-d, making Option D the correct answer.

❓ Why Other Options Are Incorrect

Option A incorrectly exchanges the outcomes of systematic arrangement and adjacent rows and columns.
Option B incorrectly assigns presentation simplification to logical classification.
Option C mismatches the characteristics with unrelated analytical outcomes.

🎯 Strategy

Used

Contextual/Tonal Matching

Application: Match each feature of a statistical table with the analytical benefit it naturally provides.

Final Logic: Compact arrangement simplifies presentation, adjacent rows and columns support comparison, logical classification reveals patterns, and clear headings improve readability, confirming Option D.

🧠 Memory Trick

Quick Recall: Organise → Compare → Analyse → Understand.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Tabulation of Data

6 By simplifying the presentation of raw numbers, a statistical table primarily enables the reader to ________ desired information quickly.

A randomize

B locate

C hide

D tally

💡 Short Explanation

Tables condense large, unorganized datasets into compact summaries. Structured rows and columns help readers navigate numbers without confusion. This organization allows specific values to be found instantly.

✅ Correct Answer Explanation

The primary practical advantage of tabulating data is that it indexes information using headers and rows. By simplifying the presentation of raw numbers into a clear layout, a statistical table allows the reader to locate desired information quickly, saving them from having to scan through pages of unorganized field notes.

❓ Why Other Options Are Incorrect

Option A: Randomize means to scramble data without an order, which is the exact opposite of what a table does.
Option C: Hide is incorrect because tables are built to display data clearly for analysis, not to conceal it.
Option D: Tallying is the manual counting step performed before data is entered into a final statistical table.

🎯 Strategy

used

Elimination

Application: Eliminating options that scramble data (A), conceal information (C), or describe intermediate steps (D) highlights the user-oriented purpose of tables.

Final Logic: Tables are designed to present data clearly so readers can locate information quickly.

🧠 Memory Trick

Structured rows →Quick search →Locate information.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Tabulation of Data

📄 Passage

Data are collected, tabulated and presented in a tabular form either in absolute terms, percentages or indices. When data are presented in their original form as integers, they are called absolute data or raw data. For example, the total population of a country or a state, the total production of a crop or a manufacturing industry, etc.

According to the passage, the population figure of India (1,21,05,69,573) is an example of which data representation form?

A Indexed Data

B Ratios

C Absolute Data Integers

D Cumulative Frequency

💡 Short Explanation

The passage defines the format used for unscaled original counts. Actual population figures use exact, unmodified whole numbers. The text explicitly labels these original numbers as absolute data.

✅ Correct Answer Explanation

The provided passage states: "When data are presented in their original form as integers, they are called absolute data or raw data." A complete population figure, such as India's total count of 1,21,05,69,573 individuals, represents an exact, unmodified integer count directly from a census. It has not been converted into a rate, index, or fraction, making it a classic example of absolute data integers.

❓ Why Other Options Are Incorrect

Option A: Indexed data represents values that have been mathematically adjusted against a base year, which is not the case for a raw census count.
Option B: Ratios express relative values calculated by dividing one metric by another, rather than a standalone total count.
Option D: Cumulative frequency tracks running totals across consecutive data classes, which is unrelated to a national total count.

🎯 Strategy

used

Contextual/Tonal Matching

Application: Finding the definition of "original form as integers" in the passage links it directly to absolute data.

Final Logic: The passage explicitly states that original integer counts are examples of absolute data.

🧠 Memory Trick

Trust the text: Whole population counts = Original integers = Absolute data.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Types of Data

📄 Passage

Which of the following is NOT an example of data presented in an absolute form?

A Total production of a manufacturing industry

B Total population of a state

C The percentage growth rate of a city

D The total production of a crop

💡 Short Explanation

Absolute data uses unmodified counts like total outputs or population counts. Growth rates require transforming numbers into relative terms out of 100. This means percentage values are classified as derived metrics rather than absolute data.

✅ Correct Answer Explanation

The passage defines absolute data as numbers presented in their original form as integers, and gives examples like total population, industrial production, and total crop production. Options A, B, and D match these examples exactly. Option C, the percentage growth rate of a city, is a relative value calculated out of 100, which means it is a derived metric rather than an example of absolute data.

❓ Why Other Options Are Incorrect

Option A: This is incorrect because the passage explicitly lists industrial production as an example of absolute data.
Option B: This is incorrect because the passage explicitly lists the total population of a state as an example of absolute data.
Option D: This is incorrect because the passage explicitly lists crop production as an example of absolute data.

🎯 Strategy

used

Contextual/Tonal Matching

Application: Using the passage as a checklist to verify options helps isolate the one option that represents a percentage format rather than an integer count.

Final Logic: Percentages are relative metrics, making Option C the correct choice for a negative question.

🧠 Memory Trick

Absolute = Raw integers; Percentage = Derived rate →Option C is not absolute.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Types of Data

9 If an analyst needs to compute the literacy rate from absolute data, they must divide the total literates by the total population and multiply by 100. This is an example of computing data from a common ________.

A index number

B parameter

C tally mark

D base year

💡 Short Explanation

Comparing different regions requires scaling them to a common baseline. Ratios and percentage transforms provide this shared baseline. This mathematical conversion scales raw totals to a common parameter.

✅ Correct Answer Explanation

When raw integers are converted into relative metrics like literacy rates, they are divided by a total population count and multiplied by 100. This process scales the numbers to a shared baseline, allowing for reliable comparisons. The textbook describes this conversion as computing data from a common parameter, which allows researchers to compare regions of vastly different sizes fairly.

❓ Why Other Options Are Incorrect

Option A: An index number is a specialized statistical measure used to track values relative to a base year, not a general calculation parameter.
Option C: Tally marks are manual strokes used to count raw data points, which is unrelated to calculating rates.
Option D: A base year is a reference point used specifically for calculating economic index numbers over time.

🎯 Strategy

used

Contextual/Tonal Matching

Application: Associating the mathematical formula for calculating a percentage rate with its textbook definition points directly to the word "parameter."

Final Logic: Data scaled to a shared baseline is computed from a common parameter.

🧠 Memory Trick

Shared baseline calculation = Common parameter.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Percentage/Ratio

10 Consider the following statements about percentage computations:
Statement I: Growth rates of populations are tabulated using absolute integers only.
Statement II: Literacy rates are derived in a percentage form computed from a common parameter.
Which is true?

A Only I

B Both I and II

C Only II

D Neither I nor II

💡 Short Explanation

Literacy tracking measures proportions rather than raw whole numbers. Population growth metrics compare changes relative to a baseline over time. This means both rates are expressed as percentages.

✅ Correct Answer Explanation

Statement I is incorrect because it uses an exclusive modifier ("only") and wrongly claims that population growth rates are tabulated as absolute integers. In reality, growth rates are always expressed as percentages. Statement II is completely true because literacy rates are derived in a percentage form by dividing total literates by the total population and multiplying by 100, which scales the data to a common parameter. Therefore, Statement II is the only true statement.

❓ Why Other Options Are Incorrect

Option A: This option is incorrect because Statement I wrongly labels a percentage growth rate as a raw integer count.
Option B: This option is incorrect because it overlooks the error in Statement I regarding how growth rates are formatted.
Option D: This option is incorrect because it rejects Statement II, which accurately describes how literacy rates are calculated.

🎯 Strategy

used

Extreme Word Filter

Application: Statement I contains the restrictive word "only," which signals an oversimplification that can be safely eliminated.

Final Logic: Since Statement I is false and Statement II is true, Option C is the correct choice.

🧠 Memory Trick

Rates = Percentages →Statement I is false, Statement II is true.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Types of Data

11 An index number is distinct from an absolute integer because it is statistically designed to show ________ in a variable with respect to time or location.

A raw jumbles

B changes

C base totals

D fixed populations

💡 Short Explanation

Index numbers track how economic values change across different years. They convert raw metrics relative to a fixed base year baseline. This conversion helps researchers analyze relative trends over time clearly.

✅ Correct Answer Explanation

An index number is a specialized statistical tool designed to measure and show relative changes in a variable or a group of related variables over time or between different geographic locations. Unlike raw integers, which only show absolute counts, index numbers use a baseline value set at 100 to show proportional changes clearly.

❓ Why Other Options Are Incorrect

Option A: Raw jumbles describe unorganized original data, which is the exact opposite of a structured index number.
Option C: Base totals are the raw numbers used to set up the baseline, not the final measurement the index is designed to show.
Option D: Fixed populations describe static numbers, whereas index numbers are built to track dynamic variations.

🎯 Strategy

used

Contextual/Tonal Matching

Application: Matching the core function of an index number—measuring relative variation—points directly to the word "changes."

Final Logic: Index numbers are designed to measure relative changes in a variable over time or space.

🧠 Memory Trick

Index number = Trend tracker = Measures changes.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Index Numbers

12 A researcher compares the economic conditions of the steel industry in India versus Japan using a specific statistical measure. What is this measure called?

A Simple Tally Mark

B Index Number

C Absolute Integer

D Raw Information

💡 Short Explanation

Index trends can compare different countries as well as different time periods. They allow researchers to evaluate industrial outputs across different nations. This tracking helps analyze international economic variations clearly.

✅ Correct Answer Explanation

To compare industrial or economic conditions between different nations fairly, researchers use index numbers. Because raw production totals can be misleading due to differences in country size, converting the data into index numbers relative to a baseline scales the values appropriately, allowing for a reliable comparison of economic trends between nations like India and Japan.

❓ Why Other Options Are Incorrect

Option A: A simple tally mark is a manual counting stroke used to build basic frequency tables, not an advanced economic measure.
Option C: Comparing absolute integers directly can be misleading because it ignores differences in the overall size of each nation's economy.
Option D: Raw information represents unorganized original entries, which cannot be used for direct international comparisons.

🎯 Strategy

used

Contextual/Tonal Matching

Application: Identifying the statistical tool used to compare economic conditions across different locations points directly to index numbers.

Final Logic: Cross-border economic comparisons are best conducted using index numbers.

🧠 Memory Trick

Cross-border comparison = Relative trends = Index Number.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Index Numbers

13 Consider the simple aggregate method. If calculating the index number for production in 2000-01, the data from 1970-71 (the reference point) is known as the ________.

A Current year value

B Base year value

C Frequency distribution

D Class interval

💡 Short Explanation

Index calculations compare changing values against a fixed reference point. This chosen reference period is known as the base year. The baseline value for this reference period is always set at 100.

✅ Correct Answer Explanation

When using the simple aggregate method to track trends over time, researchers compare current values against a fixed historical reference point. In this problem, 1970–71 serves as the reference baseline, which means the data from that period is known as the base year value. The index for this reference year is set at 100, and the production value for 2000–01 is measured against it.

❓ Why Other Options Are Incorrect

Option A: The current year value describes the data from the specific year being evaluated (2000–01), which is compared back to the baseline.
Option C: A frequency distribution is a column in a table that displays the count of entries across different classes, which is unrelated to index calculations.
Option D: A class interval represents the width of a group inside a frequency table, not a historical reference year.

🎯 Strategy

used

Contextual/Tonal Matching

Application: Linking the term "reference point" in an index calculation directly to its official statistical name points to the base year value.

Final Logic: The baseline year used as a reference point in an index calculation is the base year.

🧠 Memory Trick

Reference Point = Baseline = Base year value.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Index Numbers

14 In the index number formula, the term "∑q1" specifically denotes the total of the ________.

A current year production

B base year production

C geographic area

D literacy parameter

💡 Short Explanation

Statistical formulas use specific codes for different time periods. The subscript 0 represents the baseline reference period. The subscript 1 represents the current period being evaluated.

✅ Correct Answer Explanation

In the simple aggregate index formula, the letters represent specific mathematical terms. The symbol q stands for production quantity, and the symbol Σ (Sigma) indicates the total sum. The subscript 1 represents the current year being evaluated. Therefore, the expression Σq₁ denotes the total production quantity of the current year.

❓ Why Other Options Are Incorrect

Option B: Base year production is represented by Σq₀, where the subscript 0 indicates the base (reference) year.
Option C: Geographic area refers to the physical extent of land and is not represented by the variable q, which denotes production quantity.
Option D: Literacy parameters are used to calculate educational and demographic indicators, not industrial production indices.

🎯 Strategy

used

Substitution

Application: Remembering the standard statistical notation where 0 represents the base period and 1 represents the current period helps identify the correct definition.

Final Logic: The expression Σq₁ represents the sum of the production quantities for the current year, confirming the correct answer.

🧠 Memory Trick

Subscript 0 = Base Year; Subscript 1 = Current Year.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Simple Aggregate Method

15 Arrange the hierarchical progression of data classification to reach a final frequency table:
1. Applying the Four and Cross Method
2. Evaluating the range of raw ungrouped data
3. Selecting appropriate class intervals

A 3, 1, 2

B 1, 2, 3

C 2, 3, 1

D 2, 1, 3

💡 Short Explanation

Data processing begins by finding the difference between the highest and lowest values. This total span determines how many class groups are needed. Tally marks are then used to sort the data points into these defined classes.

✅ Correct Answer Explanation

Building a frequency table follows a clear step-by-step method. First, a researcher must look at the ungrouped numbers and find the range by evaluating the range of raw ungrouped data (2) to see the total span of the numbers. Next, based on that range, they choose how wide the groups should be by selecting appropriate class intervals (3). Finally, they read through the raw list and sort the entries by applying the Four and Cross Method (1) to find the final frequencies. This makes 2 →3 →1 the correct sequence.

❓ Why Other Options Are Incorrect

Option A: This option suggests choosing class intervals before evaluating the data range, which is mathematically backwards.
Option B: This sequence is incorrect because it attempts to apply the Four and Cross counting method before defining the class groups.
Option D: This sequence is incorrect because it suggests sorting data with tally marks before the class groups have been established.

🎯 Strategy

used

Option Grouping

Application: Knowing that evaluating the range (step 2) must happen first narrows the correct choice down to Options C and D.

Final Logic: Since you must define class intervals (step 3) before sorting data with tally marks (step 1), the correct sequence is 2-3-1.

🧠 Memory Trick

Find Range (2) →Fix Intervals (3) →Count Marks (1).

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Grouping of Data

16 A data scientist receives scores of 60 students ranging from 02 to 96. By organizing them into groups (e.g., 0-10, 10-20), the scientist is performing which function?

A Converting percentages to absolute data

B Finding the base year value

C Grouping ungrouped data for volume reduction

D Creating an index number

💡 Short Explanation

Large lists of raw numbers can be overwhelming and difficult to read. Grouping data into classes condenses long lists into shorter summaries. This processing step highlights key patterns for analysis.

✅ Correct Answer Explanation

When a data scientist takes a raw list of student scores and organizes them into structured classes like 0–10 and 10–20, they are grouping ungrouped data. The primary purpose of this step is volume reduction. Condensing a long list of individual scores into a compact frequency table reduces its visual bulk, making it easy to understand and analyze.

❓ Why Other Options Are Incorrect

Option A: Sorting scores into groups does not convert percentage ratios back into raw absolute data integers.
Option B: Finding a base year value is a step used for economic index calculations, which is unrelated to organizing student scores.
Option D: Index numbers track changes over time or space relative to a baseline, which is not what is being calculated here.

🎯 Strategy

used

Contextual/Tonal Matching

Application: Identifying that organizing raw numbers into bracketed classes represents classification for data simplification points directly to Option C.

Final Logic: Grouping unorganized numbers reduces the volume of the dataset and makes it easier to read.

🧠 Memory Trick

Organizing into classes = Summarizing details = Volume reduction.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Grouping of Data

17 Match the data constraint with its operational outcome during classification:

List I	List II
1. Range of raw data (02 to 96)	a. Determines the class interval choice
2. Choosing 10 units per group	b. Influences the number of classes required
3. Lowest and highest values of a dataset	c. Used to calculate the data range
4. Class interval width	d. Determines the grouping of observations

A 1-a, 2-b, 3-d, 4-c

B 1-c, 2-d, 3-a, 4-b

C 1-b, 2-a, 3-c, 4-d

D 1-d, 2-c, 3-b, 4-a

💡 Short Explanation

The range of raw data influences how many classes are required. The chosen units per group determine the class interval. The lowest and highest values are used to calculate the data range. The class interval width determines how observations are grouped.

✅ Correct Answer Explanation

During data classification, different factors influence the construction of a frequency distribution. The range of raw data (02 to 96) determines the spread of the data and therefore influences the number of classes required (1-b). Choosing 10 units per group establishes the class interval (2-a). The lowest and highest values are used to calculate the data range (3-c), while the class interval width determines how observations are grouped into different classes (4-d). Therefore, the correct combination is 1-b, 2-a, 3-c, 4-d, making Option C the correct answer.

❓ Why Other Options Are Incorrect

Option A incorrectly exchanges the roles of data range and class interval.
Option B mismatches the calculation of range and the grouping process.
Option D incorrectly associates class interval width with data range calculation.

🎯 Strategy

Used

Contextual/Tonal Matching

Application: Match each element of data classification with its specific operational role.

Final Logic: The data range determines the number of classes, the selected unit width determines the class interval, the minimum and maximum values calculate the range, and the class interval width determines the grouping of observations, confirming Option C.

🧠 Memory Trick

Quick Recall: Range decides how many classes; interval decides the size of each class.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Grouping of Data

18 Consider the following statement: The choice of the class interval (e.g., 10 unitsvs 20 units) operates entirely independent of the range of the data. Is this correct?

A True, class intervals are arbitrarily chosen

B False, the selection depends upon the range of raw data

C True, it only depends on the base year

D False, it depends solely on geographic locations

💡 Short Explanation

Grouping data requires dividing the total data span into balanced classes. The range is the difference between the highest and lowest values in a dataset. This means group selection relies directly on the range of the data.

✅ Correct Answer Explanation

The statement is completely false because the choice of class intervals cannot be made independently of the dataset. The textbook explicitly states that the selection of the class interval and the number of classes depends upon the range of raw data. The range (the difference between the maximum and minimum values) tells the researcher how wide the intervals need to be to distribute the data points neatly across the table.

❓ Why Other Options Are Incorrect

Option A: This option is incorrect because it wrongly claims that class intervals can be chosen arbitrarily without looking at the dataset.
Option C: This option incorrectly claims that class intervals depend on a base year, which is a reference point used for index numbers.
Option D: This option uses an exclusive modifier ("solely") and incorrectly claims that group intervals depend entirely on geographic locations.

🎯 Strategy

used

Extreme Word Filter

Application: Eliminating options that use extreme or absolute phrases like "entirely independent" (in the question) or "solely" (in Option D) helps find the correct relationship.

Final Logic: Class intervals depend on the range of the data, making Option B the correct choice.

🧠 Memory Trick

Interval Width = Dependent on Data Range →Independent is False.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Grouping of Data

19 When generating a frequency distribution using manual classification, the method that involves drawing marks where the fifth mark crosses the previous four is the ________.

A Base aggregate method

B Percentage ratio method

C Four and Cross method

D Indexing method

💡 Short Explanation

Manual data classification relies on simple, visual counting marks. This technique records data in distinct blocks of five. The textbook defines this counting style as the Four and Cross method.

✅ Correct Answer Explanation

The manual technique used to sort data points into classes by drawing four vertical strokes and crossing them with a diagonal fifth stroke is known as the Four and Cross method (or tally marks). This system groups the counts into clear blocks of five, allowing researchers to calculate the total frequency for each class interval easily without making counting errors.

❓ Why Other Options Are Incorrect

Option A: The base aggregate method is a formula used to calculate economic index numbers, which is unrelated to drawing marks.
Option B: The percentage ratio method is a mathematical conversion used to express numbers relative to a baseline of 100.
Option D: The indexing method is a statistical process used to track relative variations over time or space.

🎯 Strategy

used

Contextual/Tonal Matching

Application: Matching the physical description of drawing "four lines crossed by a fifth" to its official textbook name leads directly to Option C.

Final Logic: This counting technique is defined as the Four and Cross method.

🧠 Memory Trick

4 vertical lines + 1 diagonal cross line = Four and Cross method.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Tally Marks

20 After tally marks are assigned to all individuals based on their respective groups, the total numerical count in each group forms the ________.

A Absolute Integer

B Frequency Distribution

C Ratio parameter

D Cumulative Index

💡 Short Explanation

Tally marks inside a class group are counted to find the final total. This final count shows how often data points appear in that group. The column that displays these counts is the frequency distribution.

✅ Correct Answer Explanation

Once all raw data points have been sorted using tally marks, the researcher counts the total number of marks in each row. This numerical total shows how often data points appear in each group, which represents the frequency. When these totals are listed next to their respective class groups, the complete column forms the frequency distribution of the dataset.

❓ Why Other Options Are Incorrect

Option A: Absolute integers are the raw individual numbers before they are categorized and counted into groups.
Option C: A ratio parameter is a relative mathematical baseline used to calculate percentages, not a total count of entries.
Option D: A cumulative index is an advanced economic measurement used to track relative values over time, which is unrelated to counting tally marks.

🎯 Strategy

used

Contextual/Tonal Matching

Application: Aligning the phrase "total numerical count in each group" with standard statistical table terminology points directly to frequency distribution.

Final Logic: The column of total group counts is classified as the frequency distribution.

🧠 Memory Trick

Total group counts = Tally totals = Frequency Distribution.

📚 Class XII – Practical Work in Geography – Chapter: Data Processing – Topic: Tally Marks

CUET UG Geography Booster Test 2-Data Processing and Tabulation

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