Demography is the scientific study of: MCQ with Answer and Explanation
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Question #1
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In a 2×2 contingency table, if ad > bc, then:
Correct Answer: Option B
Explanation:
ad > bc indicates positive association.
ad > bc indicates positive association.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Net Reproduction Rate (NRR) incorporates which additional factor compared to GRR?
Correct Answer: Option B
Explanation:
NRR adjusts GRR by multiplying age-specific fertility rates by the probability of surviving to each age, accounting for female deaths before childbearing years to assess true generational replacement.
NRR adjusts GRR by multiplying age-specific fertility rates by the probability of surviving to each age, accounting for female deaths before childbearing years to assess true generational replacement.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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If P(A) = 0.4, P(B) = 0.5, and A and B are independent events, what is P(A ∪ B)?
Correct Answer: Option D
Explanation:
For independent events, P(A ∩ B) = 0.4 × 0.5 = 0.2. Using the addition theorem: P(A ∪ B) = 0.4 + 0.5 - 0.2 = 0.7.
For independent events, P(A ∩ B) = 0.4 × 0.5 = 0.2. Using the addition theorem: P(A ∪ B) = 0.4 + 0.5 - 0.2 = 0.7.
This question belongs to:
Accountancy and Statistics
Statistics
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