Standard deviation of returns is often used as a measure of a mutual fund’s volatility (risk). A larger standard deviation of returns is an indication of higher risk. According to Morningstar.com (June 17, 2010), the American Century Equity Income Institutional Fund, a large cap fund, has a standard deviation of returns equal to 14.11 percent. Morningstar.com also reported that the Fidelity Small Cap Discovery Fund has a standard deviation of returns equal to 28.44 percent. Each standard deviation was computed using a sample of size 36. (a) Calculate the value of the test statistic. (Do not round intermediate calculations. Round your answer to 2 decimal places.) Test statistic what is the test statistic?
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Standard deviation of returns is often used as a measure of a mutual fund’s volatility (risk). A larger standard deviation of returns is an indication of higher risk. According to Morningstar.com (June 17, 2010), the American Century Equity Income Institutional Fund, a large cap fund, has a standard deviation of returns equal to 14.11 percent. Morningstar.com also reported that the Fidelity Small Cap Discovery Fund has a standard deviation of returns equal to 28.44 percent. Each standard deviation was computed using a |
| (a) |
Calculate the value of the test statistic. (Do not round intermediate calculations. Round your answer to 2 decimal places.) |
| Test statistic |
what is the test statistic?
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