11 of 120 complete) ? This Quiz: 12 pts possible A researcher wants to determine

Question

11 of 120 complete) ? This Quiz: 12 pts possible A researcher wants to determine the effectiveness of a new diet pill He mean weight loss after 12 weeks is recorded and the results are given below Treated Group: 182 pounds, s 3 1 pounds gives the pill to a sample of 100 people and has another sample of 100 people who are given a placebo Ther Placebo Group:?: 14 6 pounds, s 28 pounds a. To test the ettectiveness of drug, the researcher would want to show the treated group has okOA Cor OC a greater average weight loss than the placebo group dia 1 Tool ?A. The drug appears to be efective since the p-value is less than 0 05 r Su a lower average weight loss than the placebo group the same average weight loss than the placebo group te O B. - 88 62 and the coesponding p-vatue is 1 133 b. Assume that a hypothesis test has been conducted by the researcher (using the 0 05 level of significance). The test statistic is t 0-15 What conclusion can you draw about the drug's effectiveness? Read each choice caretuly ete hypomhesis. This shows that the teatment group has a greater average weght ?B. The drug does not appear to be effective Snce the p-value is less man 0 05, we reject the nul hypothesis This shows httheteamentgroup has a O C. The drug appears to be efective Since the p- value is less than 0 05, we reject the nulil hy pothesis. This shows that the treatment group has a greater average weight loss, O D. The drug does not appear to be effective Since the p- value is less than 0 05 we fail to reject the null hypothesis This shows tmat the treatment proup has a greater aveage loss, so the drug does appear to be an effective weight loss aid loss, so the drug does not appear to be an eective weight loss aid the drug does appear to be an effective weight loss aid weight ioss so the drug does not appear to be an effective weignt loss aid

Explanation / Answer

a. A) The Lower Average Weight loss than Placebo group.

b. B) The drug appears to be effective. Since the p-value is less than 0.05, we reject the null hypothesis. This shows that the treatment group has a greater average weight loss. so the drug does appear to be an effective weight loss aid.

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