Computing a one-sample t test is appropriate when
A)participants are assigned to only one group
B)the population variance is unknown
C)participants are observed one time
D)all of the above

Question

Quizplus · Accepted Answer

A)Participants being assigned to only one group means that there is no comparison group and hence, a one-sample t test is appropriate.
B)In a one-sample t test, the population variance is unknown and is estimated from the sample variance.
C)Participants are observed one time in a one-sample t test. They are compared to a known population mean based on the sample mean.

Computing a One-Sample T Test Is Appropriate When