I have figured out the risk premium and average risk premium forthe question below. I'm having trouble figuring out what thestandard deviation of the risk premium is. 2006 18.67 7.50 20079.01 7.16 2008 −39.83 2.80 2009 30.90 0.80 2010 20.56 0.92 Theaverage risk premium is 4.03% but can't figure out how to calculatestandard deviation of the risk premium.
Yes, an excel function will do.
Thank you.
