An investment analyst has data for the past 8 years
An investment analyst has data for the past 8 years on each of two mutual funds, with the annual rates of return for each listed in file XR11074. On average, each fund has had an excellent annual rate of return over the time period for his data, but the analyst is concerned that a mutual fund with greater variation in rate of return tends to involve greater risk for his investment clients. Using the 0.05 level in a nondirectional test, examine whether the two mutual funds have differed significantly in their performance variability.
A computer and statistical software.
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