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A pharmaceutical company is testing a new diet drug to determine if the drug helps dieters lose weight.

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A pharmaceutical company is testing a new diet drug to determine if the drug helps dieters lose weight. To test the drug, 7 patients are given the drug and 8 patients are given a placebo (sugar pill). The loss of weight (lbs) after taking the pill for two months was as follows:

Given drug:

3.8

5.9

2.4

8.4

-1.1

4.3

5.9

Given placebo:

2.1

3.1

4.3

1.4

0.5

-2.2

2.1

4.9

Test to determine if the patients given the drug lose more weight than those given a placebo using α = 0.01.

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null, Ho: u1 = u2  alternate, patients given the drug lose more weight than those given... View the full answer

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