Following are the yearly returns of the Ordinary Shares and the 10 year Government Bonds.

a. Calculate the average returns of the Ordinary Shares and the 10 year Government Bonds. (Show answer as a percentage correct to 2 decimal places)

b. Calculate the standard deviation of the returns of the Ordinary Shares. (Show answer as a percentage correct to 2 decimal places)

1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 Ordinary shares 26.60% 1.60% 15.30% 15.50% 9.10% -4.70% -1.70% 21.60% 26.40% 23.90% 25.40% -15.50% -26% 10 year Government Bonds 7.80% 6.10% 5.50% 6.40% 5.80% 6.00% 5.40% 5.50% 5.50% 5.40% 5.80% 6.20% 5.00%