Which measure of central tendency divides a dataset into two equal halves? MCQ with Answer and Explanation

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Which measure of central tendency divides a dataset into two equal halves?

A. Geometric Mean

B. Median

C. Mode

D. Arithmetic Mean

Answer: Option B

Solution (By JKSSB Mock Tests)

The median is the positional average that exactly bisects the ordered dataset.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

Which of the following is a measure of fertility?

A. Total Fertility Rate

B. Maternal Mortality Ratio

C. Infant Mortality Rate

D. Standardized Death Rate

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Correct Answer: Option A

Explanation:
Total Fertility Rate (TFR) measures the average number of children a woman would bear; it's a fertility measure.

This question belongs to: Accountancy and Statistics Statistics

Question #2

When rolling a fair die, the probability of getting a number greater than 4 is:

A. 1/3

B. 2/3

C. 1/6

D. 1/2

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Correct Answer: Option A

Explanation:
Numbers >4 are 5,6 → 2 out of 6 → probability = 1/3.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Bayes' theorem is expressed as P(A|B) = [P(B|A) × P(A)] / P(B). Here, P(A) is called the:

A. Prior probability

B. Marginal probability

C. Likelihood

D. Posterior probability

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Correct Answer: Option A

Explanation:
In Bayesian inference, P(A) is the prior probability, representing initial belief about hypothesis A before observing evidence B; P(A|B) is the updated posterior probability.

This question belongs to: Accountancy and Statistics Statistics

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