The mid-value of a class interval is 25 and the class width is 10. The class limits (exclusive) are: MCQ with Answer and Explanation

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The mid-value of a class interval is 25 and the class width is 10. The class limits (exclusive) are:

A. 20-30 inclusive

B. 25-35

C. 15-25

D. 20-30

Answer: Option D

Solution (By JKSSB Mock Tests)

Lower limit = mid-value - width/2 = 25 - 5 = 20; upper limit = 25 + 5 = 30.

This question belongs to: Accountancy and Statistics Statistics

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The classification that arranges data according to time is called:

A. Chronological classification

B. Geographical classification

C. Quantitative classification

D. Qualitative classification

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Correct Answer: Option A

Explanation:
Chronological classification groups data by time periods (e.g., yearly sales).

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Question #2

The infant mortality rate in India (SRS 2020) is around:

A. 50 per 1000

B. 28 per 1000 live births

C. 40 per 1000

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Correct Answer: Option B

Explanation:
As per SRS 2020, India's IMR was 28 per 1000 live births.

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Question #3

Total Fertility Rate (TFR) is a period measure that assumes:

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D. All women marry at the same age

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Correct Answer: Option C

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TFR sums current ASFRs to estimate completed fertility for a hypothetical cohort, assuming no future changes in age-specific fertility behavior, making it a snapshot of current fertility intensity.

This question belongs to: Accountancy and Statistics Statistics

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