The sum of 50 observations is 500; the arithmetic mean is: MCQ with Answer and Explanation
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Question #1
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Which of the following index numbers uses the weighted arithmetic mean of price relatives with base year value weights?
Correct Answer: Option B
Explanation:
Laspeyres = Σ (p₁/p₀) × w₀, where w₀ = p₀q₀ / Σp₀q₀. So it is a weighted arithmetic mean of relatives.
Laspeyres = Σ (p₁/p₀) × w₀, where w₀ = p₀q₀ / Σp₀q₀. So it is a weighted arithmetic mean of relatives.
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Accountancy and Statistics
Statistics
Question #2
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Which mortality measure is MOST sensitive to improvements in maternal healthcare?
Correct Answer: Option B
Explanation:
MMR directly tracks pregnancy-related deaths, making it the most responsive indicator to changes in obstetric care quality, access to skilled birth attendance, and emergency maternal services.
MMR directly tracks pregnancy-related deaths, making it the most responsive indicator to changes in obstetric care quality, access to skilled birth attendance, and emergency maternal services.
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Accountancy and Statistics
Statistics
Question #3
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Crude Death Rate is least appropriate for comparing mortality between:
Correct Answer: Option A
Explanation:
CDR is heavily influenced by age structure; comparing a young population (low CDR) with an old one (high CDR) can misrepresent true mortality differences, necessitating age-standardized rates.
CDR is heavily influenced by age structure; comparing a young population (low CDR) with an old one (high CDR) can misrepresent true mortality differences, necessitating age-standardized rates.
This question belongs to:
Accountancy and Statistics
Statistics
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