what is the grade of group a vs b how does alfa compare to group a what is meant by the value of alfa in a t test average grade of a group b student t test for alfa if alfa is significant do students in a group have an upper grade which is higher a grade or b grade what is the grade in an alfa? what is the average grade of group a students which of the following is significant if alfa is significant according to a regular t-test? what is the mean of group a comparing the mean of two non random subgroups what is group A in algebra how to find out the average grade of a group in excel how to tell whether students in group a get a higher grade what is the average grade of group a what is the t test for alfa scores what is the average grade in group a? if student is in group a is alfa higher