Pre-testing of a questionnaire refers to: MCQ with Answer and Explanation

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Pre-testing of a questionnaire refers to:

A. Administering the questionnaire to the actual sample

B. Analyzing pilot data

C. Trying out the questionnaire on a small group to identify problems

D. Printing the questionnaire

Answer: Option C

Solution (By JKSSB Mock Tests)

Pre-test (pilot study) helps detect ambiguous questions and practical difficulties before the main survey.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Laspeyres index formula is:

A. √(L×P) × 100

B. Σp₁q₀ / Σp₀q₀ × 100

C. Σp₁q₁ / Σp₀q₀ × 100

D. Σp₁q₁ / Σp₀q₁ × 100

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Correct Answer: Option B

Explanation:
Laspeyres uses base quantities as weights.

This question belongs to: Accountancy and Statistics Statistics

Question #2

In a life table, the column denoted by 'l_x' represents:

A. Probability of dying between age x and x+1

B. Number of persons dying between age x and x+1

C. Expectation of life at age x

D. Number of survivors at exact age x

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Correct Answer: Option D

Explanation:
l_x indicates the number of individuals from the original cohort (radix) who survive to exact age x.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If each of 20 values is increased by 10, the arithmetic mean will:

A. Remain unchanged

B. Increase by 20

C. Increase by 200

D. Increase by 10

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Correct Answer: Option D

Explanation:
Adding a constant to all observations increases the mean by the same constant.

This question belongs to: Accountancy and Statistics Statistics

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