In a moderately skewed distribution, the empirical relationship is Mode ≈ 3×Median - 2×Mean. If Mean=60 and Median=58, Mode is approximately: MCQ with Answer and Explanation

In a moderately skewed distribution, the empirical relationship is Mode ≈ 3×Median - 2×Mean. If Mean=60 and Median=58, Mode is approximately:

A. 52

B. 56

C. 58

D. 54

Answer: Option D

Mode ≈ 3×58 - 2×60 = 174 - 120 = 54. This approximation, attributed to Pearson, holds for unimodal distributions with moderate skewness.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

Which of the following is an index number used to measure inflation in India?

A. Index of Industrial Production (IIP)

B. Sensex

C. Wholesale Price Index

D. Nifty

Correct Answer: Option C

Explanation:
WPI (and CPI) measure inflation; Sensex and Nifty are stock indices; IIP measures industrial output.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

A questionnaire is different from a schedule in that:

A. Questionnaire is filled by the enumerator

B. There is no difference

C. Schedule is filled by the respondent

D. Questionnaire is self-administered by the respondent

Correct Answer: Option D

Explanation:
A questionnaire is filled by the informant; a schedule by the enumerator.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

General Fertility Rate (GFR) is a better measure than Crude Birth Rate because:

A. It is easier to compute

B. It includes both sexes in the denominator

C. It relates births to the population at risk (women of reproductive age)

D. It uses total population

Correct Answer: Option C

Explanation:
CBR uses total population, which includes males and children, while GFR targets the actual childbearing population.

This question belongs to: Accountancy and Statistics Statistics