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A crossover trial is a type of experiment used to compare two drugs. Subjects take one...

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Statistics

A crossover trial is a type of experiment used to compare twodrugs. Subjects take one drug for a period of time, then switch tothe other. The responses of the subjects are then compared usingmatched-pair methods. In an experiment to compare two painrelievers, seven subjects took one pain reliever for two weeks,then switched to the other. They rated their pain level from 1 to10, with larger numbers representing higher levels of pain. Can youconclude that the main pain level is less with drug B? Use α =0.05.

Subject1234567
Drug A6345714
Drug B5155522

a. State whether the test is:

i) a two-sample t-test (independent samples)

ii) a matched pairs

iii) a two sample proportion test

b. Write H0 and H1

c. Using Minitab, list the test statistic the p-value yourconclusion: reject H0 or do not reject H0. Note: if α is notprovided, use a 0.05 significance level

d.   Write a sentence that explains your conclusion incontext with the claim. Include the significance level and p-valuein this sentence.

e.   Copy and paste the relevant Minitab output intothe document. Answers alone are sufficient, you do not need to copythe exercise into the document.

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