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Mathematics, 30.07.2021 14:00 19thomasar
Suppose a mutual fund qualifies as having moderate risk if the standard deviation of its monthly rate of return is less than 6%. A mutual-fund rating agency randomly selects 21 months and determines the rate of return for a certain fund. The standard deviation of the rate of return is computed to be 4.21%. Is there sufficient evidence to conclude that the fund has moderate risk at the α=0.01 level of significance? A normal probability plot indicates that the monthly rates of return are normally distributed. I need the null and alternative hypothesis, the test statistic, and p-value (Thank you in advance)
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Suppose a mutual fund qualifies as having moderate risk if the standard deviation of its monthly rat...
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