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. 2 (Mean - Median)

B. 3 (Median - Mean)

C. 2 (Median - Mean)

D. 3 (Mean - Median)

Answer: Option D

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

In questionnaire design, what is the primary purpose of pre-testing?

A. To finalize the sample size for the survey

B. To select the mode of administration for the questionnaire

C. To calculate the budget for data collection

D. To identify ambiguous questions and improve clarity before full deployment

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Correct Answer: Option D

Explanation:
Pre-testing a questionnaire with a small pilot group helps detect unclear wording, logical flaws, or response issues, ensuring the instrument is valid and reliable for the main survey.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Which of the following is a direct source of demographic data in India?

A. National Sample Survey (NSS)

B. Annual Report of RBI

C. Economic Survey

D. Census of India

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Correct Answer: Option D

Explanation:
Census is the primary source of demographic data; NSS also provides demographic data but census is the most direct comprehensive source.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The geometric mean is undefined for datasets containing:

A. More than 10 observations

B. Values greater than 100

C. Non-integer values

D. Zero or negative values

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Correct Answer: Option D

Explanation:
Geometric mean involves multiplying values and taking the nth root; zero makes the product zero, and negative values can yield complex roots, so it is only defined for positive numbers.

This question belongs to: Accountancy and Statistics Statistics

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