Participants in a sample must be: a. Convenient b. Representative c. Easily obtained d. Numerous

The correct answer is letter B

Explanation: A research sample is a representative part of the audience to be researched.

The definition of the research sample involves 4 elements, check each one of them and find out which sample is ideal for a research.

Sample profile

Ratio of error x survey sample

Confidence level and research sample

To set the survey sample size