1. The average return is:

2. The standard deviation of returns is:

3. The variance of returns is:

4. If you purchased this stock at the end of 2010 and sold it at the end of 2011, your holding period return would be:

5. If you purchased this stock at the end of 2007 and sold it at the end of 2012, your annualized return would be:

Please help with these. Thank you!

End of Year Stock Price Return 2006 $11.98 2007 $2.93 -75.54% 2008 $10.68 264.51% 2009 $14.74 38.01% 2010 $17.70 20.08% 2011 $16.61 -6.16% 2012 $18.38 10.66% 2013 $65.52 256.47% 2014 $79.71 21.66% 2015 $70.56 -11.48% 2016 $121.21 71.78% The sum of squares equals 11.439273469