Demography is the study of: MCQ with Answer and Explanation

Demography is the study of:
A. Economic systems
B. Animal behavior
C. Weather patterns
D. Human population
Answer: Option D
Solution (By JKSSB Mock Tests)
Demography deals with human populations — size, composition, and distribution.

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Practice More Statistics Questions

Question #1
A random experiment is defined as:
A. An experiment conducted only once
B. An experiment with a predetermined outcome
C. An experiment that can be repeated under identical conditions with uncertain outcomes
D. An experiment where all outcomes are equally likely

Correct Answer: Option C


Explanation:
A random experiment has well-defined possible outcomes, can be repeated under similar conditions, and the exact outcome cannot be predicted with certainty before performing the experiment.

This question belongs to: Accountancy and Statistics Statistics
Question #2
To compare the health conditions of two populations with entirely different age compositions, the most suitable mortality measure is the:
A. Standardized Death Rate
B. Crude Death Rate
C. Infant Mortality Rate
D. Specific Death Rate

Correct Answer: Option A


Explanation:
Standardized Death Rates adjust for age distribution differences, allowing for a fair comparison of mortality between different populations.

This question belongs to: Accountancy and Statistics Statistics
Question #3
Fisher's ideal index is called 'ideal' primarily because it:
A. Satisfies both time reversal and factor reversal tests
B. Is the easiest to calculate
C. Uses only current period data
D. Ignores quantity changes

Correct Answer: Option A


Explanation:
Fisher's index earns the 'ideal' label by mathematically satisfying two key consistency tests (time reversal and factor reversal), ensuring logical coherence in index number construction.

This question belongs to: Accountancy and Statistics Statistics