Which of the following is a cause of decline in India's infant mortality rate? MCQ with Answer and Explanation

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Which of the following is a cause of decline in India's infant mortality rate?

A. Increase in poverty

B. Decrease in female literacy

C. Higher fertility

D. Improved immunization and healthcare facilities

Answer: Option D

Solution (By JKSSB Mock Tests)

Better health services, immunization, and sanitation reduce infant deaths.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

In a symmetric distribution, the mean, median, and mode are:

A. All three coincide for unimodal symmetric distributions

B. Unrelated

C. Always equal

D. Mean = Median, mode may differ

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Correct Answer: Option A

Explanation:
For a unimodal symmetric distribution (e.g., normal), the mean, median, and mode all lie at the center of symmetry; multimodal symmetric distributions may have multiple modes.

This question belongs to: Accountancy and Statistics Statistics

Question #2

If A and B are independent, then P(A|B) equals:

A. P(A) + P(B)

B. P(A∩B)

C. P(A)

D. P(B)

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Correct Answer: Option C

Explanation:
Independence means the occurrence of B does not affect the probability of A.

This question belongs to: Accountancy and Statistics Statistics

Question #3

Which of the following index numbers uses the weighted arithmetic mean of price relatives with base year value weights?

A. Paasche index

B. Fisher index

C. Laspeyres index

D. The Laspeyres index can be expressed as weighted arithmetic mean of price relatives with base period values as weights.

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Correct Answer: Option D

Explanation:
Laspeyres = Σ (p₁/p₀) × w₀, where w₀ = p₀q₀ / Σp₀q₀. So it is a weighted arithmetic mean of relatives.

This question belongs to: Accountancy and Statistics Statistics

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