1. A new weight-reducing technique, consisting of a liquid proteindiet, is curre

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1.                 A new weight-reducing technique, consisting of a liquid proteindiet, is currently undergoing tests by the Food and DrugAdministration (FDA) before its introduction into the market. A typical test performed by the FDA is the following: The weightsof a random sample of five people are recorded before they areintroduced to the liquid protein diet for 3 weeks. At the endof this period, their weights (in pounds) are again recorded. The results are listed in the table. Let 1 bethe true mean weight of individuals before starting the diet andlet 2 be the true mean weight of individuals after 3weeks on the diet. (1)What assumptions are necessary toensure the validity of the procedure you used?

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