A decrease in the crude death rate with an unchanged crude birth rate will cause the rate of natural increase to: MCQ with Answer and Explanation

A decrease in the crude death rate with an unchanged crude birth rate will cause the rate of natural increase to:
A. Become zero
B. Increase
C. Decrease
D. Remain unchanged
Answer: Option B
Solution (By JKExamLibrary)
Natural increase = CBR - CDR. If CDR falls, the difference increases.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error
General Fertility Rate (GFR) is more refined than Crude Birth Rate because it:
A. Uses only women of reproductive age in the denominator
B. Adjusts for infant mortality
C. Is easier to calculate
D. Includes stillbirths

Correct Answer: Option A


Explanation:
GFR restricts the denominator to women aged 15-49, the biologically relevant group for childbearing, providing a more accurate measure of fertility intensity than CBR's total population denominator.

This question belongs to: Accountancy and Statistics Statistics
Question #2 Report Error
Two events A and B are such that P(A)=0.5, P(B)=0.3, P(A∩B)=0.1. They are:
A. Both mutually exclusive and independent
B. Independent
C. Neither mutually exclusive nor independent
D. Mutually exclusive

Correct Answer: Option C


Explanation:
P(A∩B)≠0 ⇒ not mutually exclusive. P(A)P(B)=0.15 ≠ 0.1 ⇒ not independent.

This question belongs to: Accountancy and Statistics Statistics
Question #3 Report Error
In a frequency distribution, the modal class is the class with:
A. Largest class interval
B. Highest frequency
C. Highest class mark
D. Median value

Correct Answer: Option B


Explanation:
The mode is the most frequent value; the modal class is the interval with the maximum frequency.

This question belongs to: Accountancy and Statistics Statistics