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Standard deviation of returns is often used as a measure of a mutual fund’s volatility (risky) A …

Standard deviation of returns is often used as a measure of a mutual fund’s volatility (risky) A larger standard deviation of returns is an indication of higher risk. According to Morningstar.com, a sample of 31 returns of the American Century Equity Income Institutional Fund had a standard deviation of 13.61. Provide a 98% confidence interval for the population variance of American Century Equity Income Institutional Fund returns. [(n – 1) s^2/X_alpha/2^2, (n – 1) s^2/X_(1 – alpha/2)^2]

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