Drug Trial Problem Clinical trials for a drug was conducted using a treatment group and a placebo group.  The results are shown in the table below.   Treatment Placebo μ μ₁ μ₂ n 33 38 x̄ 2.31 2.65 s 0.95 0.67 Use a 0.05 significance level to test the claim that the two samples are from populations with the same mean. State the claim, null, and alternative hypothesis. Claim: μ1                           μ2 HO: μ1                μ2 H1: μ1                        μ2

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