A researcher conducts a hypothesis test using a sample from an unknown population.If the t statistic has df = 30,how many individuals were in the sample?
A)n = 29
B)n = 30
C)n = 31
D)Cannot be determined from the information given

Question

Quizplus · Accepted Answer

The degrees of freedom (df) for a t-test is calculated as the sample size (n) minus 1. Therefore, if df = 30, then n = df + 1 = 31.

A Researcher Conducts a Hypothesis Test Using a Sample from an Unknown