Which of the following should be avoided in a good questionnaire? MCQ with Answer and Explanation

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Which of the following should be avoided in a good questionnaire?

A. Short questions

B. Clear wording

C. Double‑barreled questions

D. Logical sequence

Answer: Option C

Solution (By JKSSB Mock Tests)

A double‑barreled question asks about two issues at once, creating confusion. It should be avoided.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

If all observations are multiplied by a constant k, the geometric mean is multiplied by:

A. 1/k

B. k²

C. k

D. k/n

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Correct Answer: Option C

Explanation:
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 #2

If P(A|B) > P(A), then:

A. A and B are independent

B. A and B are mutually exclusive

C. B has a negative influence on A

D. B positively influences the probability of A

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Correct Answer: Option D

Explanation:
Conditional probability greater than unconditional indicates a positive association.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If events A and B are independent, which of the following is true regarding their complements A' and B'?

A. They are also independent

B. They are completely associated

C. They are dependent

D. They are mutually exclusive

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Correct Answer: Option A

Explanation:
A fundamental theorem of probability states that if A and B are independent, their complements A' and B' are also independent.

This question belongs to: Accountancy and Statistics Statistics

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