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. Person Weight Before Diet Weight After Diet 1 165 160 2 210 207 3 203 202 4 216 208 220 217 5 (1) Is there a significant difference between the means of the weights before and after the diet? Use a 0.05

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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.
Person
Weight Before Diet
Weight After Diet
1
165
160
2
210
207
3
203
202
4
216
208
220
217
5
(1) Is there a significant difference between the means of the weights before and after the
diet? Use a 0.05
Transcribed Image Text: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. Person Weight Before Diet Weight After Diet 1 165 160 2 210 207 3 203 202 4 216 208 220 217 5 (1) Is there a significant difference between the means of the weights before and after the diet? Use a 0.05
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