A financial analyst is concerned with the risk associated with a portfolio of stocks. She draws a random sample of nine monthly returns (expressed as a percentage of the initial investment). These data follow: 2, 5, -6, 10, 1, 2, -3, 0, and 7. Find a 95% confidence interval estimate of the population variance.
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The Answer of A financial analyst is concerned with the risk associated with a portfolio of stocks. She draws a random sample of nine monthly returns (expressed as a percentage of the initial investment). These data follow: 2, 5, -6, 10, 1, 2, -3, 0, and 7. Find a 95% confidence interval estimate of the population variance.
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A Financial Analyst Is Concerned with the Risk Associated with a Portfolio