Post-neonatal mortality refers to deaths from: MCQ with Answer and Explanation

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Post-neonatal mortality refers to deaths from:

A. 0-7 days

B. 1-5 years

C. 0-28 days

D. 28 days to 1 year

Answer: Option D

Solution (By JKSSB Mock Tests)

Post-neonatal period is from 28 days to 1 year.

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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Yule's coefficient of association (Q) for attributes A and B ranges between:

A. -1 and +1

B. -∞ and +∞

C. 0 and 1

D. 0 and N

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Correct Answer: Option A

Explanation:
Yule's Q = [(AB)(αβ) - (Aβ)(αB)] / [(AB)(αβ) + (Aβ)(αB)], which ranges from -1 (perfect negative association) to +1 (perfect positive association), with 0 indicating independence.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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An index number measures:

A. Total value

B. Relative change over time or space

C. Average only

D. Absolute change

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Correct Answer: Option B

Explanation:
Index numbers measure relative changes in a variable compared to a base period.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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The mean of 15 observations is 40. It was found that an observation 23 was wrongly recorded as 32. The correct mean is:

A. 41.2

B. 40.6

C. 38.5

D. 39.4

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Correct Answer: Option D

Explanation:
Correct sum = 15 × 40 - 32 + 23 = 600 - 9 = 591. Correct mean = 591/15 = 39.4.

This question belongs to: Accountancy and Statistics Statistics

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