Harmonic mean is the reciprocal of the arithmetic mean of: MCQ with Answer and Explanation
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Question #1
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A random experiment has outcomes that are:
Correct Answer: Option A
Explanation:
In a random experiment, individual outcomes are uncertain, but the set of all possible outcomes is known.
In a random experiment, individual outcomes are uncertain, but the set of all possible outcomes is known.
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Accountancy and Statistics
Statistics
Question #2
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Standardized Death Rate (SDR) is used to:
Correct Answer: Option B
Explanation:
SDR applies age-specific death rates of a population to a standard age distribution, eliminating the confounding effect of age structure to enable fair mortality comparisons across regions or time.
SDR applies age-specific death rates of a population to a standard age distribution, eliminating the confounding effect of age structure to enable fair mortality comparisons across regions or time.
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Accountancy and Statistics
Statistics
Question #3
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Crude Death Rate (CDR) is expressed as deaths per:
Correct Answer: Option A
Explanation:
CDR = (Number of deaths in a year / Mid-year population) × 1,000. It is a basic mortality indicator, though sensitive to population age structure.
CDR = (Number of deaths in a year / Mid-year population) × 1,000. It is a basic mortality indicator, though sensitive to population age structure.
This question belongs to:
Accountancy and Statistics
Statistics
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