Use the contingency table and expected frequencies from Exercise 11. At = 0.10, test the hypothesis

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Use the contingency table and expected frequencies from Exercise 11. At α = 0.10, test the hypothesis that the variables are independent.


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 11:

Type of car Full-size SUV Truck/van 39 Gender Compact 21 22 28 Male Female 24 20 14 32

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