Use the contingency table and expected frequencies from Exercise 8. At = 0.05, test the hypothesis that the variables are dependent. Perform the indicated

Use the contingency table and expected frequencies from Exercise 8. At α = 0.05, test the hypothesis that the variables are dependent.

Perform the indicated chi-square independence test by performing the steps below.

(a) Identify the claim and state H₀ and H_a.

(b) Determine the degrees of freedom, find the critical value, and identify the rejection region.

(c) Find the chi-square test statistic.

(d) Decide whether to reject or fail to reject the null hypothesis.

(e) Interpret the decision in the context of the original claim.

Data from Exercise 8:

Treatment Drug Placeb0 Result Nausea 36 13 No nausea 254 262