A crossover trial is a type of experiment used to compare two drugs. Subjects take one drug for a period of time, then switch to the other. The responses of the subjects are compared using matched-pair-methods. in an experiment to compare two pain relievers, seven subjects took one pain reliever for two weeks, then switched to the other. They rated their pain level from 1 to 10, with larger numbers representing higher levels of pain. The results were: Drug A 6 3 4 5 7 1 4 Drug B 5 1 5 5 5 2 2 can you conclude that the mean pain level is less with drug B? a. State the null and alternate hypothesis b. Compute the test statistic. c. State a conclusion. Use a= 0.05 level of significance.
A crossover trial is a type of experiment used to compare two drugs. Subjects take one drug for a period of time, then switch to the other. The responses of the subjects are compared using matched-pair-methods. in an experiment to compare two pain relievers, seven subjects took one pain reliever for two weeks, then switched to the other. They rated their pain level from 1 to 10, with larger numbers representing higher levels of pain. The results were:
Drug A 6 3 4 5 7 1 4
Drug B 5 1 5 5 5 2 2
can you conclude that the mean pain level is less with drug B?
a. State the null and alternate hypothesis
b. Compute the test statistic.
c. State a conclusion. Use a= 0.05 level of significance.
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