Which of the following distributions will definitely have Mean < Median < Mode? MCQ with Answer and Explanation

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Which of the following distributions will definitely have Mean < Median < Mode?

A. Symmetrical distribution

B. Negatively skewed distribution

C. Positively skewed distribution

D. U-shaped distribution

Answer: Option B

Solution (By JKSSB Mock Tests)

In a left-skewed (negative) distribution, extreme low values drag the mean down below the median and mode.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

Total Fertility Rate (TFR) represents:

A. Number of births per 1,000 women aged 15-49

B. Hypothetical average number of children a woman would have if she experienced current age-specific fertility rates throughout her reproductive life

C. Ratio of births to deaths in a population

D. Actual average number of children born per woman in a cohort

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Correct Answer: Option B

Explanation:
TFR is a period measure summing ASFRs across all reproductive ages (typically 15-49), estimating the average completed family size if current fertility patterns persist, crucial for population projections.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Net Reproduction Rate (NRR) of 0.95 implies that:

A. Each generation of women is not fully replacing itself

B. Fertility is above replacement level

C. Mortality has no impact on reproduction

D. Population will double in 20 years

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Correct Answer: Option A

Explanation:
NRR < 1 means that, accounting for female mortality, a cohort of women has fewer than one daughter on average surviving to reproductive age, indicating long-term population decline without migration.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The coefficient of variation is useful for comparing:

A. Probabilities

B. Medians

C. Means of two groups

D. Variability of datasets with different units or means

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Correct Answer: Option D

Explanation:
CV = (SD/Mean)×100 provides a relative measure of dispersion.

This question belongs to: Accountancy and Statistics Statistics

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