The population of a town increased from 20,000 to 25,000 in 10 years. The average annual growth rate is best computed using: MCQ with Answer and Explanation

Question

The population of a town increased from 20,000 to 25,000 in 10 years. The average annual growth rate is best computed using:

A. Arithmetic mean of growth rates

B. Median growth rate

C. Harmonic mean

D. Geometric mean of growth factors

Answer: Option D

Solution (By JKSSB Mock Tests)

Geometric mean is appropriate for compound growth rates; annual growth factor = (25000/20000)^(1/10).

This question belongs to: Accountancy and Statistics Statistics

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Question #1

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Neonatal Mortality Rate relates to deaths of infants occurring within:

A. The first 7 days of life

B. The first 24 hours of life

C. The first 28 days of life

D. The first year of life

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Correct Answer: Option C

Explanation:
Neonatal deaths are those occurring in the first 28 days (or 4 weeks) after birth.

This question belongs to: Accountancy and Statistics Statistics

Question #2

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Which of the following is a measure of dispersion?

A. Geometric mean

B. Median

C. Mode

D. Standard deviation

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Correct Answer: Option D

Explanation:
Standard deviation measures spread.

This question belongs to: Accountancy and Statistics Statistics

Question #3

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The census in India is conducted every:

A. 7 years

B. 12 years

C. 10 years

D. 5 years

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Correct Answer: Option C

Explanation:
India’s decennial census occurs every 10 years.

This question belongs to: Accountancy and Statistics Statistics

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