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Listed below is the rate of return for one year (reported in percentage) for a sample of 12 mutual funds that are classified as taxable
Listed below is the rate of return for one year (reported in percentage) for a sample of 12 mutual funds that are classified as taxable money markets 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 0.025 significance level, is it reasonable to conclude that the mean rate of return is less than 4.50%?
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