Life tables are primarily used to calculate: MCQ with Answer and Explanation

Question
Life tables are primarily used to calculate:
A. Fertility rates
B. Migration rates
C. Economic dependency ratios
D. Life expectancy and survival probabilities
Answer: Option D
Solution (By JKSSB Mock Tests)
Life tables summarize age-specific mortality to compute life expectancy at various ages, probability of survival, and other demographic measures essential for actuarial and population studies.
This question belongs to: Accountancy and Statistics Statistics
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Practice More Statistics Questions

Question #1
The dependency ratio is the ratio of:
A. Male to female population
B. Working population to total population
C. Dependent population (0-14 and 65+) to working-age population (15-64)
D. Children to elderly
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Correct Answer: Option C

Explanation:
Dependency ratio = (population 0-14 + 65+) / (population 15-64), measuring economic burden.
This question belongs to: Accountancy and Statistics Statistics
Question #2
If the price index is 125 and the quantity index is 120, the value index is:
A. 125
B. 145
C. 150
D. 130
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Correct Answer: Option C

Explanation:
Value ratio = price ratio × quantity ratio. In index form (decimal), 1.25 × 1.20 = 1.50, i.e., 150.
This question belongs to: Accountancy and Statistics Statistics
Question #3
The data collected by the NSSO through its surveys is an example of:
A. Both A and B
B. Secondary data for researchers
C. Primary data for NSSO
D. None
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Correct Answer: Option A

Explanation:
For NSSO, it is primary data; for others using the reports, it is secondary data.
This question belongs to: Accountancy and Statistics Statistics
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