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. Median value

C. Highest frequency

D. Highest class mark

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

Laspeyres price index uses which quantity weights?

A. Base period quantities

B. Current period quantities

C. Average of base and current quantities

D. Geometric mean of quantities

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Correct Answer: Option A

Explanation:
Laspeyres index = Σ(p₁q₀)/Σ(p₀q₀) × 100, using base period quantities (q₀) as weights, which may overstate inflation if consumers substitute away from goods with rising prices.

This question belongs to: Accountancy and Statistics Statistics

Question #2

For perfect positive association between attributes A and B, we expect:

A. (Aβ) = 0

B. (αB) = 0

C. Both (Aβ) and (αB) = 0

D. (AB) = 0

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Correct Answer: Option C

Explanation:
Perfect positive association means all A's are B's and all B's are A's, so no A without B and no B without A.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The cost of living index is used for:

A. Measuring industrial output

B. Adjusting wages to maintain purchasing power

C. Measuring stock performance

D. Calculating national income

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Correct Answer: Option B

Explanation:
It tracks changes in the cost of a fixed basket, used for wage indexation.

This question belongs to: Accountancy and Statistics Statistics

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