Life expectancy at age 1 is generally: MCQ with Answer and Explanation

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Life expectancy at age 1 is generally:

A. Equal to life expectancy at birth

B. Lower than life expectancy at birth

C. Zero

D. Higher than life expectancy at birth

Answer: Option D

Solution (By JKSSB Mock Tests)

Due to high infant mortality, survivors to age 1 have a higher remaining life expectancy than newborns.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

The geometric mean is preferred for averaging:

A. Heights of students

B. Test scores

C. Percentage growth rates

D. Temperatures

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Correct Answer: Option C

Explanation:
Geometric mean is suitable for averaging ratios and rates of change over time.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Pre‑testing of a questionnaire means:

A. Trying out the draft questionnaire on a small group to detect flaws

B. Designing the questionnaire

C. Administering the final questionnaire to the sample

D. Printing the questionnaire

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Correct Answer: Option A

Explanation:
Pre‑testing (pilot study) helps identify ambiguous or difficult questions before the main survey.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Standardized Death Rate (SDR) is used to:

A. Adjust birth rates for underreporting

B. Estimate infant mortality from census data

C. Calculate crude death rates for small areas

D. Compare mortality between populations with different age structures

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Correct Answer: Option D

Explanation:
SDR applies age-specific death rates of a population to a standard age distribution, eliminating the confounding effect of age structure to enable fair mortality comparisons across regions or time.

This question belongs to: Accountancy and Statistics Statistics

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