A researcher wants to ensure every individual in a population has an equal chance of being selected. She should use: MCQ with Answer and Explanation

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A researcher wants to ensure every individual in a population has an equal chance of being selected. She should use:

A. Snowball sampling

B. Simple random sampling

C. Quota sampling

D. Purposive sampling

Answer: Option B

Solution (By JKSSB Mock Tests)

Simple random sampling gives each member an equal probability of selection.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

The notation (αβ) indicates items that:

A. Possess A but not B

B. Possess neither A nor B

C. Possess both A and B

D. Possess B but not A

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Correct Answer: Option B

Explanation:
α is not A, β is not B, so (αβ) = items without A and without B.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The property that the sum of squared deviations from the measure is minimum is characteristic of:

A. Arithmetic mean

B. Median

C. Mode

D. Geometric mean

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Correct Answer: Option A

Explanation:
The arithmetic mean minimizes the sum of squared deviations, i.e., Σ(x - x̄)² is minimum.

This question belongs to: Accountancy and Statistics Statistics

Question #3

In a mail survey, which technique can help increase the response rate?

A. Providing a cover letter explaining the study's importance

B. Using complex wording

C. Making the questionnaire extremely long

D. Eliminating follow-up reminders

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Correct Answer: Option A

Explanation:
A well-written cover letter that explains the purpose and assures confidentiality can motivate respondents to participate.

This question belongs to: Accountancy and Statistics Statistics

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