A T Test for Dependent Means Would Be Used to Compare

A t test for dependent means would be used to compare

A) the level of honesty in politicians with the level of honesty in students.
B) the level of reading comprehension of students at the beginning and at the end of a speed-reading class.
C) the hours spent studying each week by freshmen and seniors.
D) the scores on a tolerance-of-diversity measure between two sororities.