Chapter 7.2, Problem 42E

a.

To determine

Construct a two-way table from the given information.

b.

To determine

Calculate the expected values for each of the four categories.

Check whether it is appropriate to analyze the data with a chi-square test.

c.

To determine

Conduct the complete test and provide appropriate conclusion to the test if it is appropriate to use chi-square test.

d.

To determine

If the results are significant, identify the drug that is most effective.

Explain whether it can be concluded that the choice of treatment drug causes a chance in the likelihood of a relapse.