Question

Which statement is true of an appropriate sample of a population?

A sample must be a group of people who are the target of the survey question.
A sample should have different characteristics than the population.
A sample must be very small.
A sample should include only boys or only girls.

Answer 1

A sample must be a group of people who are the target of the survey question

Answer 2

The correct option is 1.

Explanation:

The set of all observations is known as populate set.

A sample is a small subset of population set that is the representative of the entire population. The sample must have sufficient size and it should include all population.

A sample must be a group of people who are the target of the survey question. This statement is true.

Therefore the correct option is 1.

A sample should have different characteristics than the population. This statement is false.

A sample must be very small. This statement is false.

A sample should include only boys or only girls. This statement is false.

Therefore options 2, 3 and 4 are incorrect.