Duane is interested in examining whether there is a statistically significant difference between quiz results in the morning compared with the quiz results in the afternoon for the same class. Duane would use _____ to test this research question.
A) an ANOVA
B) a chi-square test of independence
C) a t-test for dependent means
D) an independent samples t-test

Question

Quizplus · Accepted Answer

Duane would use a t-test for dependent means because the same class is being tested at two different times (morning and afternoon), making the samples dependent or related. This test compares the means of two related groups to determine if there is a statistically significant difference between them.

Duane Is Interested in Examining Whether There Is a Statistically