An economist wants to determine whether average Price/Earnings (P/E) ratios differ for firms in three industries. Independent
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.
Transcribed Image Text:
Industry A Industry B Industry C 12.19 12.44 7.28 9.96 10.51 0.48, s 4.32 14.34 17.80 9.32 14.90 9.41 X813.15, s13.69 26.38 24.75 16.88 16.87 16.70Xc 20.32, s2 23.30 Grand Mean: X 14.65
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Related Book For
Essentials Of Business Statistics Communicating With Numbers
ISBN: 9780078020544
1st Edition
Authors: Sanjiv Jaggia, Alison Kelly
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