The single-sample t ratio is used to compare
A) two population means
B) a sample mean with an assumed or known population mean
C) two sample means
D) a single sample's mean with that same sample's standard deviation

Question

Quizplus · Accepted Answer

The single-sample t ratio is used to compare a sample mean with an assumed or known population mean. It is used when the population standard deviation is not known and the sample size is small (less than 30).

The Single-Sample T Ratio Is Used to Compare