The decision of how many people needed in a random sample to represent the population should be based on the
A) number of people available and willing to participate in the survey.
B) financial resources available to the researcher for completing the survey.
C) the availability of an adequate sampling frame.
D) degree of variability in the population.

Question

Quizplus · Accepted Answer

The decision of how many people needed in a random sample to represent the population should be based on the degree of variability in the population. The higher the variability, the more individuals are needed in the sample to ensure a representative sample of the population. This is because the larger the sample, the more likely it is to capture the range of variation in the population. Therefore, option D is the correct answer. The other options (A, B, and C) are also important considerations when designing a survey, but they are not as crucial in determining the sample size.

The Decision of How Many People Needed in a Random