Comparing all means from a four-group design would require the calculation of
A) four t tests
B) six t tests
C) one t test
D) fifteen t tests

Question

Quizplus · Accepted Answer

Comparing all means from a four-group design would involve comparisons between each group's mean and each of the other three groups' means, resulting in six possible comparisons. Therefore, six t tests would be required.

Comparing All Means from a Four-Group Design Would Require the Calculation