Calculate the average return and standard deviation for Boeing and Bank of America. According to your calculations, which of these stocks is riskier? Which has the higher return?

Year 9 7.1 Boeing 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Bank of America 9.7 114.2 -11.8 50.5 13.7 13.8 72.7 88 39.4 53.2 -6.6 32.1 -32.5 3.6 28.7 -11.7 61.2 1.6 -40.4 45.6 -13.4 18.9 30.4 24.6 24.9 25.3 37.9 3.4 28.4 20.7 -0.1 -20 -50.1 -63.4 31.8 9.9 23.6 - 11.2 15.2 -58.1 5.2 109.6 84.7 34.6 -2.6 15.5 14.1 -4.8 12.2 39.7 94.7 29.9