Question

An economist wants to determine whether average Price/Earnings (P/E) ratios differ for firms in three industries. Independent samples of five firms in each industry show the following results:


a. Construct an ANOVA table. Assume that P/E ratios are normally distributed.
b. At the 5% significance level, determine whether average P/E ratios differ in the threeindustries.


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  • CreatedJanuary 28, 2015
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