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Please help with the question below, many thanks! Questions 4 and 5 refer to the following study: Two blood pressure drugs are under investigation. Investigators
Please help with the question below, many thanks!
Questions 4 and 5 refer to the following study: Two blood pressure drugs are under investigation. Investigators randomly divide 20 subjects into two equally-sized groups. One group (A) is treated for eight weeks with a standard blood pressure medication ("Drug A"); the other group (B) is treated with a new medication ("Drug B"). The investigators wish to evaluate whether mean SBP following eight weeks of treatment is different for populations treated on Drug A and Drug B. Investigators wanted to do a two-sided two-sample t-test to compare the mean SBP after 8 weeks for those on Drug A with those on Drug B. They assume equal variances of the SBP values in the two drug groups and that SBP values are approximately normally distributed in the two groups. What is the decision rule for a 5% level test? (Let T be the test statistic.) t-table: t-table.pdf 4 Reject if T 2.101. O Reject if T > 1.734. O Reject if T 1.96Step by Step Solution
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