Net Reproduction Rate (NRR) incorporates which additional factor compared to GRR? MCQ with Answer and Explanation

Net Reproduction Rate (NRR) incorporates which additional factor compared to GRR?
A. Male fertility
B. Female mortality before reproductive age
C. Economic development index
D. Migration rates
Answer: Option B
Solution (By JKSSB Mock Tests)
NRR adjusts GRR by multiplying age-specific fertility rates by the probability of surviving to each age, accounting for female deaths before childbearing years to assess true generational replacement.

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Practice More Statistics Questions

Question #1
The combined mean of two groups is 55, with n₁=40, mean₁=50. If n₂=60, mean₂ is:
A. 58.33
B. 59
C. 57.5
D. 60

Correct Answer: Option A


Explanation:
55 = (40×50 + 60×x) / 100 → 2000 + 60x = 5500 → 60x = 3500 → x = 58.33.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Net migration rate is calculated as the difference between in-migrants and out-migrants per:
A. 1000 population
B. Working-age population
C. 1000 births
D. Square kilometer

Correct Answer: Option A


Explanation:
Net migration rate = (Immigrants - Emigrants) / Mid-year population × 1000.

This question belongs to: Accountancy and Statistics Statistics
Question #3
Direct standardization of death rates uses:
A. Crude death rates only
B. Age-specific death rates of the standard population
C. Life table functions
D. Age-specific death rates of the given populations applied to a standard age distribution

Correct Answer: Option D


Explanation:
Direct standardization applies the observed age-specific rates to a standard population distribution.

This question belongs to: Accountancy and Statistics Statistics