Vital registration systems are most effective when they are: MCQ with Answer and Explanation

Vital registration systems are most effective when they are:
A. Compulsory, universal, and continuous
B. Voluntary and decentralized
C. Limited to urban areas
D. Based on sample surveys
Answer: Option A
Solution (By JKSSB Mock Tests)
Effective vital registration requires legal mandate for reporting all births/deaths, nationwide coverage, and ongoing operation to provide complete, timely data for demographic analysis and policy.

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Practice More Statistics Questions

Question #1
In the construction of Index Numbers, Geometric Mean is considered better than Arithmetic Mean because:
A. It fails the time reversal test
B. It ignores zero values
C. It gives equal weight to equal percentage changes
D. It is easier to calculate

Correct Answer: Option C


Explanation:
GM balances out massive price swings better than AM because it treats a doubling (200%) and a halving (50%) equally.

This question belongs to: Accountancy and Statistics Statistics
Question #2
In a random experiment, an event consisting of a single outcome is called:
A. Compound event
B. Sure event
C. Null event
D. Simple event

Correct Answer: Option D


Explanation:
An elementary or simple event contains exactly one sample point.

This question belongs to: Accountancy and Statistics Statistics
Question #3
The geometric mean is undefined if the data contains:
A. Positive numbers only
B. Negative numbers and zero
C. Values greater than 1
D. Only fractions

Correct Answer: Option B


Explanation:
GM is defined only for positive numbers; zero or negative values are not allowed.

This question belongs to: Accountancy and Statistics Statistics