Part Three: t-Test for Comparing the Means of Dependent Samples

1. The students in an aerobics class have been weighed both before and after the 5-week class, with the following results:

Person # Weight Before Weight After

A 198 194

B 154 151

C 124 126

D 110 104

E 127 123

F 162 155

G 141 129

H 180 165

Using the 0.05 level of significance, evaluate the effectiveness of the program.

NEED GRAPH AND STEP BY STEP