The main disadvantage of direct observation method is: MCQ with Answer and Explanation
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Question #1
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The data collected from a sample is:
Correct Answer: Option A
Explanation:
Sample survey collects data from a subset of the population.
Sample survey collects data from a subset of the population.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Total Fertility Rate (TFR) is a period measure that assumes:
Correct Answer: Option B
Explanation:
TFR sums current ASFRs to estimate completed fertility for a hypothetical cohort, assuming no future changes in age-specific fertility behavior, making it a snapshot of current fertility intensity.
TFR sums current ASFRs to estimate completed fertility for a hypothetical cohort, assuming no future changes in age-specific fertility behavior, making it a snapshot of current fertility intensity.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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In a 2×2 attribute table, if (A)=400, (B)=500, N=1000, and observed (AB)=250, the expected (AB) under independence is:
Correct Answer: Option A
Explanation:
Expected (AB) = (A)×(B)/N = 400×500/1000 = 200,000/1000 = 200. Observed 250 > 200 suggests positive association between attributes A and B.
Expected (AB) = (A)×(B)/N = 400×500/1000 = 200,000/1000 = 200. Observed 250 > 200 suggests positive association between attributes A and B.
This question belongs to:
Accountancy and Statistics
Statistics
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