A questionnaire should avoid 'double-barreled' questions because they: MCQ with Answer and Explanation
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Question #1
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Which of the following tests is satisfied by Fisher's ideal index?
Correct Answer: Option A
Explanation:
Fisher index satisfies both time reversal and factor reversal tests.
Fisher index satisfies both time reversal and factor reversal tests.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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The weighted mean of 4, 6, 8 with weights 1, 2, 3 respectively is:
Correct Answer: Option A
Explanation:
Weighted sum = 4×1+6×2+8×3 = 4+12+24=40. Sum of weights=6. Mean=40/6≈6.67.
Weighted sum = 4×1+6×2+8×3 = 4+12+24=40. Sum of weights=6. Mean=40/6≈6.67.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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A box contains 5 red and 3 green balls. Two balls are drawn without replacement. Probability that both are red is:
Correct Answer: Option B
Explanation:
First red: 5/8, second red given first red: 4/7. Product = 20/56 = 5/14.
First red: 5/8, second red given first red: 4/7. Product = 20/56 = 5/14.
This question belongs to:
Accountancy and Statistics
Statistics
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