Crude Birth Rate is expressed per 1,000 population to: MCQ with Answer and Explanation

Crude Birth Rate is expressed per 1,000 population to:
A. Convert the rate to a convenient whole number scale
B. Match international standards
C. Align with death rate calculation
D. Simplify arithmetic
Answer: Option A
Solution (By JKSSB Mock Tests)
Using a base of 1,000 transforms small proportions (e.g., 0.02) into whole numbers (20), enhancing readability and comparability across populations without altering the underlying rate.

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Practice More Statistics Questions

Question #1
The combined mean of two groups is 50. If n₁=20, mean₁=45, and n₂=30, mean₂ is:
A. 52
B. 50
C. 55
D. 53.33

Correct Answer: Option D


Explanation:
50 = (20×45 + 30×mean₂) / 50 → 2500 = 900 + 30×mean₂ → mean₂ = 1600/30 = 53.33.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Maternal Mortality Ratio (MMR) is an indicator of:
A. Child health care quality
B. General population mortality
C. Geriatric care quality
D. Risk associated with pregnancy and childbirth

Correct Answer: Option D


Explanation:
MMR tracks maternal deaths related to pregnancy, childbirth, and the puerperium, highlighting maternal healthcare quality.

This question belongs to: Accountancy and Statistics Statistics
Question #3
For an open-end frequency distribution, a suitable measure of central tendency is:
A. Median
B. Arithmetic mean
C. Mode
D. Geometric mean

Correct Answer: Option A


Explanation:
The median can be determined even if the extremes are open-ended, as long as the median class is closed.

This question belongs to: Accountancy and Statistics Statistics