If the arithmetic mean of a sample is 20 and median is 22, the distribution is likely: MCQ with Answer and Explanation
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Question #1
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The cost of living index is primarily used for:
Correct Answer: Option A
Explanation:
It measures changes in the cost of living, used to adjust dearness allowance and wages.
It measures changes in the cost of living, used to adjust dearness allowance and wages.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Assertion (A): For a moderately skewed distribution, mean – mode ≈ 3(mean – median). Reason (R): In any skewed distribution, the median always lies between the mean and mode. Choose the correct option:
Correct Answer: Option B
Explanation:
The empirical relationship (A) is true for moderate skewness. In skewed distributions, median lies between mean and mode, but this fact does not directly explain the formula; it's an observed pattern.
The empirical relationship (A) is true for moderate skewness. In skewed distributions, median lies between mean and mode, but this fact does not directly explain the formula; it's an observed pattern.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Net Reproduction Rate (NRR) takes into account:
Correct Answer: Option D
Explanation:
NRR adjusts GRR for the mortality of women during reproductive ages; it indicates replacement level.
NRR adjusts GRR for the mortality of women during reproductive ages; it indicates replacement level.
This question belongs to:
Accountancy and Statistics
Statistics
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