Consider the data of Exercise 13.2.10. Conduct an appropriate complete analysis of the data that also includes a graphical display and discussion of how the data do or do not meet the necessary conditions for validity.
Exercise 13.2.10
A sample of 15 patients was randomly split into two groups as part of a double-blind experiment to compare two pain relievers. The 7 patients in the first group were given Demerol and reported the following numbers of hours of pain relief:

The 8 patients in the second group were given an experimental drug and reported the following numbers of hours of pain relief.

How might these data be analyzed?

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2,6, 4, 13,5,8, 4 0,8, 1,4,2,2,1,3