The difference between the upper limit and the lower limit of a class interval is called: MCQ with Answer and Explanation
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Question #1
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Direct standardization of death rates requires age-specific death rates for:
Correct Answer: Option C
Explanation:
Direct standardization uses the study population's age-specific death rates applied to the standard population's age structure; thus, only the study population's age-specific rates are needed.
Direct standardization uses the study population's age-specific death rates applied to the standard population's age structure; thus, only the study population's age-specific rates are needed.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Gross Reproduction Rate (GRR) ignores:
Correct Answer: Option B
Explanation:
GRR does not account for the mortality of women; it measures potential reproduction.
GRR does not account for the mortality of women; it measures potential reproduction.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Which measure of central tendency is defined only when all observations are positive?
Correct Answer: Option A
Explanation:
Geometric mean requires all positive values; otherwise it's undefined or zero. Harmonic mean also requires non-zero values, but GM is more restricted. Actually, GM is defined only for positive data if we want real numbers. So C.
Geometric mean requires all positive values; otherwise it's undefined or zero. Harmonic mean also requires non-zero values, but GM is more restricted. Actually, GM is defined only for positive data if we want real numbers. So C.
This question belongs to:
Accountancy and Statistics
Statistics
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