The condition (A) ≥ (AB) is necessary for: MCQ with Answer and Explanation

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The condition (A) ≥ (AB) is necessary for:

A. Negative association

B. Consistency of data

C. Zero association

D. Independence

Answer: Option B

Solution (By JKSSB Mock Tests)

Consistency requires that marginal frequencies are not less than the joint frequencies.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

Which of the following statements about maternal mortality ratio (MMR) is incorrect?

A. High MMR indicates poor maternal healthcare.

B. MMR has declined in India over recent decades.

C. MMR is a measure of fertility.

D. MMR is the number of maternal deaths per 100,000 live births.

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Correct Answer: Option C

Explanation:
MMR is a mortality indicator, not a fertility measure.

This question belongs to: Accountancy and Statistics Statistics

Question #2

Which mortality measure is MOST sensitive to improvements in maternal healthcare?

A. Infant Mortality Rate

B. Crude Death Rate

C. Life Expectancy at Age 60

D. Maternal Mortality Ratio

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Correct Answer: Option D

Explanation:
MMR directly tracks pregnancy-related deaths, making it the most responsive indicator to changes in obstetric care quality, access to skilled birth attendance, and emergency maternal services.

This question belongs to: Accountancy and Statistics Statistics

Question #3

If every observation in a dataset is doubled, the arithmetic mean:

A. Increases by 2

B. Remains unchanged

C. Becomes half

D. Is also doubled

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Correct Answer: Option D

Explanation:
Mean is affected by change of scale; multiplying by 2 scales the mean by 2.

This question belongs to: Accountancy and Statistics Statistics

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