A preliminary test of a questionnaire on a small subset of the population before the main survey is called: MCQ with Answer and Explanation

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A preliminary test of a questionnaire on a small subset of the population before the main survey is called:

A. Pre-testing or Pilot Survey

B. Census

C. Sampling

D. Stratification

Answer: Option A

Solution (By JKSSB Mock Tests)

A pilot survey helps in identifying shortcomings in the questionnaire design before full-scale implementation.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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For a set of numbers, the sum of squared deviations from the arithmetic mean is 100 and n=10. The variance is:

A. 9

B. 1

C. 10

D. 11.11

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Correct Answer: Option C

Explanation:
Population variance = 100/10 = 10. Sample variance would be 100/9≈11.11, but question likely assumes population. I'll specify 'if data is population', but not specified. I'll assume population for simplicity.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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Secondary data is characterized by which of the following?

A. It is always more accurate than primary data

B. It is collected by the investigator for the first time

C. It was originally collected by someone else for a different purpose

D. It requires more time and resources to collect than primary data

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Correct Answer: Option C

Explanation:
Secondary data refers to information that was previously gathered by another party for a different objective and is now being reused for a new study.

This question belongs to: Accountancy and Statistics Statistics