Which of the following is a vital event? MCQ with Answer and Explanation

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Which of the following is a vital event?

A. Employment

B. Marriage

C. Migration

D. Enrollment in school

Answer: Option B

Solution (By JKSSB Mock Tests)

Vital events include births, deaths, marriages, divorces.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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If the Laspeyres price index for a commodity basket is 140 and the Paasche is 135, Fisher's index is:

A. 137.5

B. 137.47

C. 140

D. 135

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Correct Answer: Option B

Explanation:
√(140×135) = √18900 ≈ 137.477.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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A researcher wants to compare mortality between two towns with different age structures. She should use:

A. Standardized death rate

B. Crude death rate

C. Neonatal mortality rate

D. Infant mortality rate

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Correct Answer: Option A

Explanation:
Standardization removes the confounding effect of age.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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A bag contains 3 red, 5 black balls. Two balls are drawn at random. The probability that they are of different colors is:

A. 1/2

B. 15/56

C. 15/28

D. 3/8

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Correct Answer: Option C

Explanation:
Total ways C(8,2)=28. 1 red 1 black = 3×5=15. Probability=15/28.

This question belongs to: Accountancy and Statistics Statistics

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