For two attributes A and B, the relationship (AB) + (Aβ) equals: MCQ with Answer and Explanation
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Question #1
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The harmonic mean of 4 and 12 is:
Correct Answer: Option D
Explanation:
HM = 2 / (1/4 + 1/12) = 2 / (4/12) = 2 / (1/3) = 6.
HM = 2 / (1/4 + 1/12) = 2 / (4/12) = 2 / (1/3) = 6.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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If all observations are multiplied by a constant k, the geometric mean is multiplied by:
Correct Answer: Option B
Explanation:
GM of (kx) = k × GM of x, since GM(kx) = (kⁿ ∏x)^(1/n) = k (∏x)^(1/n).
GM of (kx) = k × GM of x, since GM(kx) = (kⁿ ∏x)^(1/n) = k (∏x)^(1/n).
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Wholesale Price Index (WPI) is more sensitive to changes in:
Correct Answer: Option B
Explanation:
WPI primarily tracks prices of goods (primary articles, fuel, manufactured products) at wholesale stages, with limited service coverage, making it more responsive to commodity price fluctuations.
WPI primarily tracks prices of goods (primary articles, fuel, manufactured products) at wholesale stages, with limited service coverage, making it more responsive to commodity price fluctuations.
This question belongs to:
Accountancy and Statistics
Statistics
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