Question

The following table shows the annual returns (in percent) for Fidelity’s Select Electronic and Select Utilities mutual funds. The data set, labeled Electronic_Utilities, can also be found on the text website.


a. Set up the hypotheses to test the claim that the mean return for the Electronic mutual fund differs from the mean return for the Utilities mutual fund.
b. Using the appropriate commands in Excel, find the value of the test statistic. What is the p -value?
c. At the 5% significance level, do the mean returnsdiffer?


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  • CreatedJanuary 28, 2015
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