Consider again the one-way ANOVA hypothesis test described in Problem 4. Address the multiple comparison problem by

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Consider again the one-way ANOVA hypothesis test described in Problem 4. Address the multiple comparison problem by applying the Bonferroni, Tukey, and Scheffé methods to obtain an overall confidence level of approximately 90%. Summarize your results. Recall that the relevant data are given in the file P12_4.XLS.

Data from in problem 4

A hotel manager would like to know whether customers who pay by different methods have different-sized bills. She divides all customers into four categories: thosex who pay by check or cash, those who pay with a VISA or MasterCard, those who pay with an American Express card, and those who use some other type of credit card. She then collects data on daily bills, which are given in the file P12_4.XLS. Note that these bills contain the room charge, plus any other charges to the customer’s account. 

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Managerial Statistics

ISBN: 9780534389314

1st Edition

Authors: S. Christian Albright, Wayne L. Winston, Christopher Zappe

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