The accompanying table shows annual return data from 2001-, Basic Statistics

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The accompanying table shows annual return data from 2001-

Question: The accompanying table shows annual return data from 2001- 2009 for Vanguard's Balanced Index and European Stock Index mutual funds. The data can also be accessed from the text website, labeled Vanguard Balanced and European Funds.

a. Set up the hypotheses to test whether mean returns of the two funds differ.

b. What is the value of the test statistic and its associated p -value given unequal population standard deviations?

c. At the 5% significance level, what is the conclusion?

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Basic Statistics: The accompanying table shows annual return data from 2001-

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Basic Statistics: The accompanying table shows annual return data from 2001-

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