Question: Assume that the population standard deviations are equal for income mutual funds and growth mutual funds. Use the following sample data to test whether there

Assume that the population standard deviations are equal for income mutual funds and growth mutual funds. Use the following sample data to test whether there is a difference in the mean yields of the two funds at the 0.05 level of significance.

What is the null hypothesis?
What is the computed value of the test statistic t?
What is the p value for this test statistic?
What decision is made about the null hypothesis using an Î± = 0.05?

Income 35 Growth Sample Size Sample Mean Sample Standard Dev 40 875 900 35 45

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