In a frequency distribution, the modal class is the class with: MCQ with Answer and Explanation

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In a frequency distribution, the modal class is the class with:

A. Largest class interval

B. Highest class mark

C. Highest frequency

D. Median value

Answer: Option C

Solution (By JKSSB Mock Tests)

The mode is the most frequent value; the modal class is the interval with the maximum frequency.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

If Laspeyres' index is 121 and Paasche's index is 100, Fisher's index is:

A. 110

B. 100

C. 110.5

D. 121

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Correct Answer: Option A

Explanation:
Fisher's = square root of (Laspeyres * Paasche) = sqrt(121 * 100) = sqrt(12100) = 110.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Bayes' theorem is often used in:

A. Testing independence

B. Updating probabilities after new evidence

C. Calculating the mean of a sample

D. Constructing index numbers

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Correct Answer: Option B

Explanation:
It's used for probabilistic inference and decision making under uncertainty.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If P(A) = 0.5, P(B) = 0.3, and P(A∪B) = 0.7, then P(A|B) equals:

A. 0.6

B. 0.2

C. 0.5

D. 0.33

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Correct Answer: Option D

Explanation:
P(A∩B)=0.5+0.3-0.7=0.1. P(A|B)=0.1/0.3≈0.333.

This question belongs to: Accountancy and Statistics Statistics

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