Which of the following best defines primary data in statistical research? MCQ with Answer and Explanation

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Which of the following best defines primary data in statistical research?

A. Data published by the government

B. Data obtained from historical archives

C. Data collected by the investigator originally for the current inquiry

D. Data extracted from existing research papers

Answer: Option C

Solution (By JKSSB Mock Tests)

Primary data refers to first-hand information collected directly by the researcher for a specific statistical objective.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

If the infant mortality rate is high, life expectancy at birth is likely to be:

A. Low

B. Equal to IMR

C. Unchanged

D. High

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Correct Answer: Option A

Explanation:
High infant deaths reduce average life expectancy.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The median of 2, 2, 3, 4, 5, 5, 5, 6 is:

A. 5

B. 5.5

C. 4

D. 4.5

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Correct Answer: Option D

Explanation:
Ordered data, n=8, median = average of 4th and 5th = (4+5)/2=4.5.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If P(A)=0.4, P(B)=0.5, and A and B are independent, then P(A∪B) is:

A. 0.5

B. 0.9

C. 0.7

D. 0.2

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Correct Answer: Option C

Explanation:
0.4+0.5 - (0.4×0.5)=0.9-0.2=0.7.

This question belongs to: Accountancy and Statistics Statistics

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