Year	Average Return
1993	46.91%
1994	-11.17%
1995	2.87%
1996	21.66%
1997	41.87%
1998	-29.51%
1999	-36.04%
2000	-14.55%
2001	-11.58%
2002	-14.76%
2003	21.23%
2004	-4.22%
2005	15.82%
2006	-4.37%
2007	-26.11%
2008	-31.86%
2009	-25.58%
2010	-21.88%
2011	-10.40%
2012	5.36%
2013	-15.68%
2014	5.53%
2015	-14.76%
2016	12.29%
2017	19.40%
2018	-18.33%
2019	-6.89%
2020	18.36%
2021	-12.50%

Estimate the mean and Standard Deviation of the data attached ?????

Average Return 2 Year 3 1993 46.91% 4 1994 -11.17% 5 1995 2.87% 6 1996 21.66% 7 1997 41.87% 8 1998 -29.51% 9 1999 -36.04% 10 2000 -14.55% 11 2001 -11.58% 12 2002 -14.76% 13 2003 21.23% 14 2004 -4.22% 15 2005 15.82% 16 2006 -4.37% 17 2007 -26.11% 18 2008 -31.86% 19 2009 -25.58% 20 2010 -21.88% 21 2011 -10.40% 22 2012 5.36% 23 2013 -15.68% 24 2014 5.53% 1 1 25 2015 -14.76% 1 26 2016 12.29% 27 2017 19.40% -3SD -25D -1SD Mean +1SD +2SD +3SD 28 2018 -18.33% 29 2019 -6.89% 30 2020 18.36% 31 2021 -12.50% 32