In demography, 'cohort' refers to: MCQ with Answer and Explanation

Question Report Error

In demography, 'cohort' refers to:

A. All women of reproductive age

B. A sample of the population

C. All people living in a country

D. A group of people born in the same year or period

Answer: Option D

Solution (By JKExamLibrary)

A cohort is a group sharing a common temporal experience, like birth year.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1 Report Error

Maternal Mortality Ratio (MMR) is expressed per:

A. 10,000 live births

B. 1000 live births

C. 100,000 live births

D. 1000 women

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Correct Answer: Option C

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

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

Which of the following is a use of index numbers?

A. Measuring population growth

B. Measuring literacy

C. Measuring area

D. Measuring inflation

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Correct Answer: Option D

Explanation:
Index numbers are widely used to track changes in price levels, cost of living, etc.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Harmonic mean is used to average speeds when:

A. Data is qualitative

B. Times traveled are equal

C. Distances traveled are equal

D. Speeds are constant

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Correct Answer: Option C

Explanation:
For equal distances, average speed = total distance / total time = harmonic mean of speeds; arithmetic mean would overestimate if speeds vary.

This question belongs to: Accountancy and Statistics Statistics

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