Formulate the hypotheses, Formulate the hypotheses that can

Formulate the hypotheses

Reference no: EM131158671

The average annual total return for U.S. Diversified Equity mutual funds from 1999 to 2003 was 4.1% (BusinessWeek,January 26, 2004). A researcher would like to conduct a hypothesis test to see whether the returns for mid-cap growth funds over the same period are significantly different from the average for U.S. Diversified Equity funds.

a. Formulate the hypotheses that can be used to determine whether the mean annual return for mid-cap growth funds differ from the mean for U.S. Diversified Equity funds.

b. A sample of 40 mid-cap growth funds provides a mean return ofsample mean=3.4%. Assume the population standard deviation for mid-cap growth funds is known from previous studies to bes=2%. Use the sample results to compute the test statistic andp-value for the hypothesis test.

c. Ata=.05, what is your conclusion?

Reference no: EM131158671

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