A researcher claims that taking a protein supplement as part of a weight gainer program for athletes will help them gain muscle weight. The weights in pounds of 10 athletes are listed below before and after using the protein supplement. At a sig. of .05 can you conclude that this supplement helps the athletes gain weight?
Athlete
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
Weight Before
|
196
|
220
|
187
|
184
|
206
|
198
|
174
|
176
|
182
|
174
|
Weight After
|
198
|
224
|
185
|
185
|
213
|
196
|
178
|
180
|
175
|
174
|