In which of the following situations would you MOST likely use the t-test for dependent means?
A) comparing smokers versus non smokers
B) comparing stress levels before and after a yoga class
C) comparing first graders versus college students
D) comparing a sample mean versus a hypothesized population mean

Question

Quizplus · Accepted Answer

The t-test for dependent means is used when comparing the means of two related or paired samples, such as comparing stress levels before and after a yoga class for the same group of people. Option A involves comparing means of two independent groups, option C involves comparing means of vastly different groups, and option D involves comparing a sample mean to a population mean without a paired sample.

In Which of the Following Situations Would You MOST Likely