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%

Answer: B

Business

You might also like to view...

The higher the price-earnings ratio, the greater the risk to investment

Indicate whether the statement is true or false

Business

________ refers to the application of products like Facebook in a corporate setting

A) Cloud computing B) Viral marketing C) Crowdsourced funding D) Executive information system E) Enterprise social networking

Business