A researcher uses the published census data to study urbanization trends. In this context, the census data is: MCQ with Answer and Explanation
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Question #1
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Data on 'Religion of individuals' (Hindu, Muslim, Christian, etc.) is an example of:
Correct Answer: Option C
Explanation:
Religion is an attribute, not a numerical value, so grouping by religion is a qualitative (descriptive) classification.
Religion is an attribute, not a numerical value, so grouping by religion is a qualitative (descriptive) classification.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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For a dataset, if all values are multiplied by a constant k, the new arithmetic mean is:
Correct Answer: Option B
Explanation:
Mean is linear: if x̄ is original mean, new mean = Σ(kx)/n = kΣx/n = kx̄. This property is useful for unit conversions (e.g., meters to centimeters).
Mean is linear: if x̄ is original mean, new mean = Σ(kx)/n = kΣx/n = kx̄. This property is useful for unit conversions (e.g., meters to centimeters).
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Which of the following is an example of probability sampling?
Correct Answer: Option B
Explanation:
Probability sampling involves random selection; simple random sampling is a basic method.
Probability sampling involves random selection; simple random sampling is a basic method.
This question belongs to:
Accountancy and Statistics
Statistics
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