Life expectancy at birth is derived from: MCQ with Answer and Explanation

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Life expectancy at birth is derived from:

A. Life table

B. Fertility rates

C. Crude death rate

D. Census

Answer: Option A

Solution (By JKSSB Mock Tests)

Life tables combine age-specific mortality rates to compute life expectancy.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

If Net Reproduction Rate (NRR) is less than 1, the population will eventually:

A. Decrease

B. Increase

C. Remain constant

D. Become zero

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Correct Answer: Option A

Explanation:
NRR < 1 indicates each generation is not replacing itself, leading to decline.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The circular test is satisfied by which index number formula?

A. Paasche

B. Fisher's ideal

C. Laspeyres

D. Simple aggregative

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Correct Answer: Option B

Explanation:
Fisher's ideal index satisfies the circular test under certain conditions due to its geometric mean formulation, while Laspeyres and Paasche generally fail it due to fixed weight structures.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Age-Specific Fertility Rate for 25-29 years is 120 per 1,000 women. This means:

A. 12% of women aged 25-29 give birth each year

B. 120 is the total fertility rate contribution from this age group

C. Women in this age group have 120 children on average

D. For every 1,000 women aged 25-29, there are 120 live births in a year

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Correct Answer: Option D

Explanation:
ASFR = (Births to women in age group / Women in age group) × 1,000. An ASFR of 120 indicates 120 annual births per 1,000 women aged 25-29, reflecting age-specific fertility intensity.

This question belongs to: Accountancy and Statistics Statistics

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