To compute a one-sample t test,a researcher has to know many values.Which of the following is NOT a value that the researcher must know to compute this test?
A) The estimated standard error must be known.
B) The population variance must be known.
C) The sample size must be known.
D) The sample mean and sample variance must be known.

Question

Quizplus · Accepted Answer

In a one-sample t test, we do not need to know the population variance. Instead, we estimate the population variance from the sample. We do need to know the sample size, sample mean, and estimated standard error.

To Compute a One-Sample T Test,a Researcher Has to Know