Use the contingency table and expected frequencies from Exercise 10. At = 0.01, test the hypothesis
Question:
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:
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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