Question: Use the contingency table and expected frequencies from Exercise 10. At = 0.01, test the hypothesis that the variables are dependent. Perform the indicated

Use the contingency table and expected frequencies from Exercise 10. At α = 0.01, 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 Ha.

(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 10:

Rating Size of restaurant Seats 100 or fewer Seats over 100 Excellent Fair Poor 165 182 203 159 180 311

Rating Size of restaurant Seats 100 or fewer Seats over 100 Excellent Fair Poor 165 182 203 159 180 311

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