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

Question
Life expectancy at birth is derived from:
A. Crude death rate
B. Census
C. Fertility rates
D. Life table
Answer: Option D
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 the Net Reproduction Rate (NRR) is exactly 1, what does it signify for the population over the long term, assuming no migration?
A. The population will double in one generation
B. The population is exactly replacing itself
C. The population will eventually shrink
D. The population will grow exponentially
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Correct Answer: Option B

Explanation:
An NRR of 1 means each woman is replacing herself with exactly one surviving daughter, indicating replacement-level fertility.
This question belongs to: Accountancy and Statistics Statistics
Question #2
The crude death rate of a population is 7 per 1000 and the population is 10 million. The estimated number of deaths in a year is:
A. 7,000
B. 70,000
C. 700
D. 700,000
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Correct Answer: Option B

Explanation:
Deaths = (7/1000) × 10,000,000 = 70,000.
This question belongs to: Accountancy and Statistics Statistics
Question #3
In data compilation, the process of arranging raw data into categories based on shared characteristics is called:
A. Presentation
B. Classification
C. Tabulation
D. Editing
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Correct Answer: Option B

Explanation:
Classification is the systematic arrangement of data into homogeneous groups based on common attributes, which is a prerequisite for meaningful tabulation and analysis.
This question belongs to: Accountancy and Statistics Statistics
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