The percentage frequency of a class is the class frequency divided by total frequency, multiplied by: MCQ with Answer and Explanation

The percentage frequency of a class is the class frequency divided by total frequency, multiplied by:

A. 10

B. 1

C. 100

D. 1000

Answer: Option C

Percentage frequency = (class frequency / total frequency) × 100.

This question belongs to: Accountancy and Statistics Statistics

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Question #1 Report Error

A researcher wants to ensure every individual in a population has an equal chance of being selected. She should use:

A. Purposive sampling

B. Simple random sampling

C. Snowball sampling

D. Quota sampling

Correct Answer: Option B

Explanation:
Simple random sampling gives each member an equal probability of selection.

This question belongs to: Accountancy and Statistics Statistics

Question #2 Report Error

The Net Reproduction Rate (NRR) of a population is 0.9. This indicates that:

A. Population is replacing itself

B. Mortality is zero

C. Population growth is high

D. Population will eventually decline

Correct Answer: Option D

Explanation:
NRR < 1 means each generation is not fully replacing itself, leading to long-term decline.

This question belongs to: Accountancy and Statistics Statistics

Question #3 Report Error

Which of the following is NOT a measure of fertility?

A. Age Specific Fertility Rate

B. Infant Mortality Rate

C. General Marital Fertility Rate

D. Crude Birth Rate

Correct Answer: Option B

Explanation:
Infant mortality rate measures deaths of infants, not births; it is a mortality indicator.

This question belongs to: Accountancy and Statistics Statistics