Lisa Grattan, a financial analyst for a small investment firm, collects annual stock return data for 10
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Lisa Grattan, a financial analyst for a small investment firm, collects annual stock return data for 10 firms in the energy industry, 13 firms in the retail industry, and 16 firms in the utilities industry. A portion of the data is shown in the accompanying table; the entire data set, labeled Industry_Returns, can be found on the text website.
In a report, use the sample information to:
1. Determine whether significant differences exist in the annual returns for the three industries at the 5% significance level. Assume that returns are normally distributed.
2. Interpret your results.
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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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