Determine whether the stock fund is equally popular among the four different age groups. Do a 5 % test.

Use the following information to answer question. A company operates three mutual funds. The managers of these mutual funds invest the money entrusted to them in different kinds of assets. The rates of return in the last 5 years are recorded in the following table.

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1985 1986 1987 1988 1989 Real estate fund 6% 20 6 15 3 Government bond fund 7% 8 12 9 10 Stock fund 3% 9 8 15 20