For a moderately skewed distribution, the difference between mean and mode is approximately: MCQ with Answer and Explanation

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For a moderately skewed distribution, the difference between mean and mode is approximately:

A. 3 (Mean - Median)

B. 2 (Mean - Median)

C. 2 (Median - Mean)

D. 3 (Median - Mean)

Answer: Option A

Solution (By JKSSB Mock Tests)

From empirical relation: Mean - Mode ≈ 3(Mean - Median).

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Gross Reproduction Rate (GRR) is calculated as TFR multiplied by:

A. Life expectancy at birth

B. Proportion of female births

C. Inverse of sex ratio

D. Proportion of male births

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Correct Answer: Option B

Explanation:
GRR = TFR × (female births / total births), representing the average number of daughters a woman would have.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Given P(A)=0.4, P(B)=0.5, and A and B are mutually exclusive, P(A∪B) is:

A. 0.9

B. 0.1

C. 0.7

D. 0.2

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Correct Answer: Option A

Explanation:
Mutually exclusive ⇒ P(A∪B) = P(A)+P(B) = 0.4+0.5=0.9.

This question belongs to: Accountancy and Statistics Statistics

Question #3

In a random experiment, the set of all possible outcomes is known as the:

A. Sample space

B. Event

C. Favorable outcomes

D. Probability density

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Correct Answer: Option A

Explanation:
The sample space comprises every possible outcome of a random experiment.

This question belongs to: Accountancy and Statistics Statistics

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