In a statistical table, the source note is usually placed: MCQ with Answer and Explanation
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Question #1
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A researcher wants to study the spending habits of households. She divides the city into blocks and randomly selects a few blocks, then surveys every household within them. This is an example of:
Correct Answer: Option C
Explanation:
Selecting entire groups (clusters) randomly and surveying all units within is cluster sampling. It differs from stratified sampling where samples are drawn from each stratum.
Selecting entire groups (clusters) randomly and surveying all units within is cluster sampling. It differs from stratified sampling where samples are drawn from each stratum.
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Accountancy and Statistics
Statistics
Question #2
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Demography is the study of:
Correct Answer: Option A
Explanation:
Demography deals with human populations — size, composition, and distribution.
Demography deals with human populations — size, composition, and distribution.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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In demography, 'dependency ratio' is calculated as:
Correct Answer: Option B
Explanation:
Dependency ratio = (Young dependents + Old dependents) / Working-age population × 100, indicating the economic burden on the productive population to support non-working groups.
Dependency ratio = (Young dependents + Old dependents) / Working-age population × 100, indicating the economic burden on the productive population to support non-working groups.
This question belongs to:
Accountancy and Statistics
Statistics
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