Use the following information to answer question. An investor recorded the performance of stock mutual funds during the last 3 years. He classified the stock mutual funds into three categories, growth, income, and mixed. The rates of return during the last 3 years are presented here:

Use MINITAB to do a one-way ANOVA to determine whether the 3 different years have the same average rate of return. Use the 5 % level of significance.

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Year 1990 1991 1992 Type Growth 12 17 19 17 18 21 21 22 21 Income 14 12 12 13 19 14 16 13 15 Mix 15 16 17 15 18 15 17 15 18