Question: Question10 This question: 3 point(s) possible Treatment| Placebo A study was done using a treatment group and a placebo group. The results are shown in

Question10 This question: 3 point(s) possible Treatment| Placebo A study was

Question10

This question: 3 point(s) possible Treatment| Placebo A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the n 27 40 population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts. x 2.38 2.69 0.56 0.85 a. Test the claim that the two samples are from populations with the same mean What are the null and alternative hypotheses? OA Ho P1 = P2 OB. Ho- M1 = H2 Hy#2 OD. Holy

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