Pre‑testing of a questionnaire means: MCQ with Answer and Explanation

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Pre‑testing of a questionnaire means:

A. Trying out the draft questionnaire on a small group to detect flaws

B. Printing the questionnaire

C. Designing the questionnaire

D. Administering the final questionnaire to the sample

Answer: Option A

Solution (By JKSSB Mock Tests)

Pre‑testing (pilot study) helps identify ambiguous or difficult questions before the main survey.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

The Paasche quantity index formula is:

A. Σp₁q₁ / Σp₁q₀ × 100

B. Σp₀q₁ / Σp₁q₁ × 100

C. Σp₀q₁ / Σp₀q₀ × 100

D. Σp₁q₁ / Σp₀q₁ × 100

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Correct Answer: Option A

Explanation:
Paasche quantity index uses current period prices as weights.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The weighted harmonic mean of values 2 and 3 with weights 3 and 2 respectively is:

A. 2.5

B. 2.4

C. 2.8

D. 2.31

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Correct Answer: Option D

Explanation:
Weighted HM = (Σw) / Σ(w/x) = 5 / (3/2 + 2/3) = 5 / (1.5 + 0.6667) = 5/2.1667 ≈ 2.3077.

This question belongs to: Accountancy and Statistics Statistics

Question #3

For a set of values, the sum of squared deviations is minimum when taken from:

A. Median

B. Geometric mean

C. Arithmetic mean

D. Mode

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Correct Answer: Option C

Explanation:
The arithmetic mean minimizes the sum of squared deviations.

This question belongs to: Accountancy and Statistics Statistics

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