Which of the following are required to determine the sample size necessary to estimate a population mean?
A)Knowledge about or an estimate of the population variance
B)A statement of the degree of precision desired
C)A statement of the degree of confidence desired
D)Both b and c.
E)a,b,and c.

Question

Quizplus · Accepted Answer

To determine the sample size necessary to estimate a population mean, we need knowledge about or an estimate of the population variance (a), a statement of the degree of precision desired (b), and a statement of the degree of confidence desired (c). Therefore, all three options (a, b, and c) are required to determine the sample size, making option E the correct answer.

Which of the Following Are Required to Determine the Sample