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    Hypothesis Test

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    Listed below is the rate of return for one year (reported in percent) for a sample of 12 mutual funds that are classified as taxable money market funds.
    4.63 4.15 4.76 4.70 4.65 4.52 4.70 5.06 4.42 4.51 4.24 4.52
    Using the .05 significance level is it reasonable to conclude that the mean rate of return is more than 4.50 percent?

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