Which of the following is a graphical representation of a frequency distribution? MCQ with Answer and Explanation

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Which of the following is a graphical representation of a frequency distribution?

A. Index number

B. Histogram

C. Standard deviation

D. Mean

Answer: Option B

Solution (By JKSSB Mock Tests)

Histogram uses bars to represent class frequencies.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

Maternal Mortality Ratio (MMR) is defined as:

A. Maternal deaths per 100,000 live births

B. Maternal deaths per 10,000 total population

C. Maternal deaths per 1,000 women of reproductive age

D. Maternal deaths per 1,000 pregnancies

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Correct Answer: Option A

Explanation:
MMR = (Number of maternal deaths due to pregnancy-related causes / Number of live births) × 100,000. This ratio focuses on the risk per childbirth event, standardizing for comparison across populations.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Which average is strictly impossible to calculate if any of the observations in the dataset is exactly zero?

A. Harmonic Mean

B. Geometric Mean

C. Both Geometric and Harmonic Mean

D. Arithmetic Mean

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Correct Answer: Option C

Explanation:
Geometric mean becomes zero if any value is zero, and Harmonic mean involves division by zero, making both invalid.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The Consumer Price Index (CPI) is used to measure:

A. Change in cost of living for households.

B. Foreign exchange reserves.

C. Inflation at wholesale level.

D. Industrial production.

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Correct Answer: Option A

Explanation:
CPI measures retail price changes affecting households' cost of living.

This question belongs to: Accountancy and Statistics Statistics

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