The t Test What information do we need in order to find the critical value of t?
A)the degrees of freedom
B)the significance level
C)whether the test is directional or nondirectional
D)all of these

Question

Quizplus · Accepted Answer

In order to find the critical value of t, we need to know the degrees of freedom, which are determined by the sample size and the number of groups being compared. We also need to know the significance level, which determines the cutoff point for rejecting the null hypothesis. Additionally, if the test is directional, we need to specify the direction of the alternative hypothesis in order to determine which tail of the distribution to use for the critical value. Therefore, all of the options (A, B, and C) are necessary in order to find the critical value of t.

The T Test What Information Do We Need in Order