The test of significance that determines if two group means differ more than would be expected by chance is the
A) t test.
B) chi square.
C) multiple regression.
D) analysis of gain scores.

Question

Quizplus · Accepted Answer

The t test is specifically designed to compare the means of two different groups and determine if the difference between them is statistically significant. It is a common test used in research to evaluate if there is a true difference between groups or if the difference occurred by chance. The other options, such as chi square and multiple regression, are used for different types of analyses and research questions.

The Test of Significance That Determines If Two Group Means