A box contains 5 red and 3 green balls. Two balls are drawn without replacement. Probability that both are red is: MCQ with Answer and Explanation
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Question #1
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The condition (A) ≥ (AB) is necessary for:
Correct Answer: Option B
Explanation:
Consistency requires that marginal frequencies are not less than the joint frequencies.
Consistency requires that marginal frequencies are not less than the joint frequencies.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Total Fertility Rate (TFR) is dimensionless because it represents:
Correct Answer: Option C
Explanation:
TFR sums age-specific fertility rates (births per woman per year) across reproductive ages, yielding a pure number: the average completed family size per woman under current fertility patterns.
TFR sums age-specific fertility rates (births per woman per year) across reproductive ages, yielding a pure number: the average completed family size per woman under current fertility patterns.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Chain base index numbers are particularly useful for analyzing:
Correct Answer: Option A
Explanation:
Chain indices highlight recent changes by using the previous period as base, making them sensitive to short-term dynamics like monthly inflation, though less suitable for long-term trend analysis.
Chain indices highlight recent changes by using the previous period as base, making them sensitive to short-term dynamics like monthly inflation, though less suitable for long-term trend analysis.
This question belongs to:
Accountancy and Statistics
Statistics
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