Vital statistics are used for: MCQ with Answer and Explanation

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Vital statistics are used for:

A. Planning health services

B. Actuarial calculations

C. Estimating population growth

D. All of the above

Answer: Option D

Solution (By JKSSB Mock Tests)

Vital statistics inform public health planning, demographic estimates, and insurance mathematics.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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In attribute theory, if (A)=200, (B)=300, N=1000, and A and B are independent, the expected frequency of (AB) is:

A. 60

B. 50

C. 200

D. 300

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Correct Answer: Option A

Explanation:
Under independence, E(AB) = (A)×(B)/N = 200×300/1000 = 60,000/1000 = 60. This is the product of marginal proportions times total population.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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A histogram is used for representing:

A. Qualitative data

B. Continuous frequency distribution

C. Discrete data

D. Cumulative frequencies

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Correct Answer: Option B

Explanation:
Histogram is for continuous data, with adjacent bars touching.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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A population pyramid with a broad base indicates:

A. Low infant mortality

B. High life expectancy

C. High birth rate

D. Low birth rate

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Correct Answer: Option C

Explanation:
Broad base results from a large number of births.

This question belongs to: Accountancy and Statistics Statistics

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