2. A new weight-reducing technique, consisting of a liquid protein diet, is currently undergoing tests by the Food and Drug Administration (FDA) before its introduction into the market. The weights of a random sample of five people are recorded before they are introduced to the liquid protein diet. The five individuals are then instructed to follow the liquid protein diet for 3 weeks. At the end of this period, their weights (in pounds) are again recorded. The results are listed in the table. Let #1 be the true mean weight of individuals before starting the diet and let #2 be the true mean weight of individuals after 3 weeks on the diet. Person Weight Before Diet Weight After Diet 146 139 191 186 UI WNA 184 181 193 187 200 196 Summary information is as follows: d = 5, $d = 1.58. Test to determine if the diet is effective at reducing weight. Use a = . 10