The purpose of a confidence interval is to a use a sample me

The purpose of a confidence interval is to:

a. use a sample mean or mean difference to estimate the corresponding population mean or mean difference

b. use a population mean or mean difference to predict a sample mean or mean difference

c. use a level of confidence to estimate a sample mean

d. use the sample mean to determine a level of confidence

Solution

a. use a sample mean or mean difference to estimate the corresponding population mean or mean difference

is the right answer