If a researcher wishes to determine whether a sample mean differs from the population mean, the appropriate statistic is the
A) chi-square.
B) t test for independent means.
C) t test for a single mean.
D) analysis of covariance.

Question

Quizplus · Accepted Answer

The t test for a single mean is specifically designed to compare a sample mean to a known population mean to determine if there is a significant difference between them. This test assesses whether the observed sample mean is statistically significantly different from the hypothesized population mean, based on the sample's standard deviation and size.

If a Researcher Wishes to Determine Whether a Sample Mean