An index number that measures changes in the quantity of goods produced is: MCQ with Answer and Explanation
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Question #1
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Which of the following sources is considered an unpublished source of secondary data?
Correct Answer: Option C
Explanation:
Internal company records are not available to the general public, making them unpublished secondary data.
Internal company records are not available to the general public, making them unpublished secondary data.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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If the Arithmetic Mean is 50 and the number of items is 10, the sum of all items is:
Correct Answer: Option C
Explanation:
Sum = Mean × N = 50 × 10 = 500.
Sum = Mean × N = 50 × 10 = 500.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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For a dataset, if all values are multiplied by a constant k, the new arithmetic mean is:
Correct Answer: Option D
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
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