If NRR = 1, it indicates: MCQ with Answer and Explanation

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If NRR = 1, it indicates:

A. Zero fertility

B. Population is declining

C. High population growth

D. Population is exactly replacing itself

Answer: Option D

Solution (By JKSSB Mock Tests)

NRR = 1 means each woman is replaced by exactly one daughter who survives to reproductive age, implying exact replacement.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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The sample space for rolling a die once contains:

A. 6 outcomes

B. 36 outcomes

C. 12 outcomes

D. 3 outcomes

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Correct Answer: Option A

Explanation:
A standard die has six faces: 1,2,3,4,5,6.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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In a modern population census, 'de facto' enumeration refers to counting people:

A. Based on their legal voting constituency

B. At their usual place of residence

C. Based on their place of birth

D. Where they are found on the day of the census

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Correct Answer: Option D

Explanation:
The de facto method counts individuals exactly where they are present on the night of the census.

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Question #3

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For inclusive class intervals like 10-19, 20-29, the true class boundaries are obtained by:

A. Subtracting 0.5 from lower limit and adding 0.5 to upper limit

B. Subtracting 0.5 from both limits

C. Leaving them unchanged

D. Adding 0.5 to both limits

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Correct Answer: Option A

Explanation:
Inclusive series have gaps; adjusting by half the gap (0.5) gives continuous boundaries: 9.5-19.5, 19.5-29.5, etc.

This question belongs to: Accountancy and Statistics Statistics

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