The Average Annual Return Over the Period 1926-2009 for the S&P

question 70

Multiple Choice

The average annual return over the period 1926-2009 for the S&P 500 is 12.8%, and the standard deviation of returns is 21.4%. Based on these numbers, what is a 67% confidence interval for 2010 returns?

• A) -1.3%, 20.5%
• B) -8.6%, 34.2%
• C) -25.8%, 54.7%
• D) -25.8%, 47.9%

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