A clinical researcher performs a clinical trial on 9 patients to determine whether a drug treatment has an effect on ser

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A Clinical Researcher Performs A Clinical Trial On 9 Patients To Determine Whether A Drug Treatment Has An Effect On Ser 1 (202.9 KiB) Viewed 82 times

A clinical researcher performs a clinical trial on 9 patients to determine whether a drug treatment has an effect on serum glucose. The sample mean glucose of the patients before and after the treatment are summarized in the following table. The sample standard deviation of the differences was 6. Sample mean glucose (mg/dL) Before treatment 83 After treatment 80 What type of hypothesis test should be performed Select Left-tailed z-test What is the test statistic? Ex: 0.123 0 Paired t-test Two-tailed z-test Unpaired t-test What is the number of degrees of freedom? Ex: 25v Does sufficient evidence exist to support the claim that the drug treatment has an effect on serum glucose at the a = 0.05 significance level? ( Select ,