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. Simple random sampling

B. Snowball sampling

C. Purposive sampling

D. Quota sampling

Answer: Option A

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 term 'demographic dividend' refers to:

A. Increase in birth rate

B. Increase in working-age population relative to dependents

C. Decrease in death rate

D. High immigration

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Correct Answer: Option B

Explanation:
Demographic dividend is the economic growth potential when the share of the working-age population is larger than the non-working-age share.

This question belongs to: Accountancy and Statistics Statistics

Question #2

A box contains 3 defective and 7 non-defective items. Two items are selected at random. The probability that exactly one is defective is:

A. 14/45

B. 7/15

C. 1/5

D. 21/45

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Correct Answer: Option B

Explanation:
Total C(10,2)=45. Favorable: 3×7=21. Probability=21/45=7/15.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Which of the following index numbers does NOT require weights?

A. Paasche index

B. Simple aggregative index

C. Fisher index

D. Laspeyres index

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Correct Answer: Option B

Explanation:
Simple aggregative treats all items equally; others are weighted.

This question belongs to: Accountancy and Statistics Statistics

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