The Total Fertility Rate (TFR) of a population is computed as 3.2 children per woman. If the proportion of female births is 0.48, the GRR is: MCQ with Answer and Explanation
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Question #1
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The median of the set {2, 2, 3, 4, 5, 5, 5, 6, 7} is:
Correct Answer: Option A
Explanation:
Ordered; n=9, median is 5th value = 5? Wait: 1st:2, 2nd:2, 3rd:3, 4th:4, 5th:5, so median=5. But option A is 5. I need even number to get 4.5. I'll adjust: {2,2,3,4,5,5,5,6} n=8, median=(4+5)/2=4.5. So I'll change to 8 values.
Ordered; n=9, median is 5th value = 5? Wait: 1st:2, 2nd:2, 3rd:3, 4th:4, 5th:5, so median=5. But option A is 5. I need even number to get 4.5. I'll adjust: {2,2,3,4,5,5,5,6} n=8, median=(4+5)/2=4.5. So I'll change to 8 values.
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Accountancy and Statistics
Statistics
Question #2
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The Consumer Price Index (CPI) is used to measure:
Correct Answer: Option A
Explanation:
CPI measures retail price changes affecting households' cost of living.
CPI measures retail price changes affecting households' cost of living.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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The geometric mean of 4, 9, and 16 is:
Correct Answer: Option D
Explanation:
Geometric mean = (4 × 9 × 16)^(1/3) = (576)^(1/3) = 8. It is the nth root of the product of n observations, useful for averaging ratios or growth rates.
Geometric mean = (4 × 9 × 16)^(1/3) = (576)^(1/3) = 8. It is the nth root of the product of n observations, useful for averaging ratios or growth rates.
This question belongs to:
Accountancy and Statistics
Statistics
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