Concept explainers
In Exercises13.79-13.86, use either the critical-value approach or the P-value approach to perform a chi-square independence test, provided the conditions for using the test are met.
13.79 Siskel and Ebert In the classic TV show sneak previews, originally hosted by the late Gene Siskel and Roger Ebert the two Chicago movie critics reviewed the week’s new movie releases and then rated them thumbs up (positive), mixed or thumbs down (negative).These two critics often saw the merits of a movie differently. In general however were the ratings given by Siskel and Ebert associated?
The answer to this question was the focus of the paper “Evaluating agreement and Disagreement Among Movie Reviewers” by A.Agresti and L. Winner that appeared in chance (Vol. 10(2), pp.10-14).The following
At the 1% significance level, do the data provide sufficient evidence to conclude that an association exists between the ratings of Siskel and Ebert?
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Introductory Statistics (10th Edition)
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