Fred would like to compare a sample mean to the population mean but he does not know the population standard deviation. He can use:
A) Independent samples t-test
B) One-sample t-test or ANOVA
C) One-sample t-test only
D) Z-test or one-sample t-test

Question

Quizplus · Accepted Answer

Fred should use a one-sample t-test when he wants to compare a sample mean to the population mean and does not know the population standard deviation. The one-sample t-test is specifically designed for this purpose, using the sample standard deviation as an estimate for the unknown population standard deviation.

Fred Would Like to Compare a Sample Mean to the Population