A sample survey collects data from a sample to: MCQ with Answer and Explanation

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A sample survey collects data from a sample to:

A. Issue passports

B. Count entire population

C. Register births

D. Make inferences about the population

Answer: Option D

Solution (By JKSSB Mock Tests)

Sample surveys aim to estimate population parameters.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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If the events A and B are mutually exclusive and P(A)=0.4, P(B)=0.5, then P(A∪B) is:

A. 0.7

B. 0.9

C. 0.2

D. 0.1

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Correct Answer: Option B

Explanation:
0.4+0.5=0.9.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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The 'source' of data in a table is usually given:

A. In the title

B. In the box-head

C. In the stub

D. In a footnote at the bottom

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Correct Answer: Option D

Explanation:
Source note is placed at the bottom of a table.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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WPI covers:

A. Goods only (primary, fuel, manufactured)

B. Services

C. All goods and services

D. Only agricultural goods

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Correct Answer: Option A

Explanation:
WPI tracks price movements of goods at the wholesale level, excluding services.

This question belongs to: Accountancy and Statistics Statistics

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