6.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