2 Year Index Return 2009 2010 2011 2012 2013 2014 2015 2016 20.00% 19.00% 35.00% 6.00% -5.00% -16.00% -30.00% 30.00% Alpha Stock Return 42.00% 13.00% 68.00% 32.00% 0.60% -3.60% -25.00% 26.00% Based on the information above, which of the following statements is(are) correct? Choose all correct answers. The compound average return is equal to the simple average return if an investor hold the index portfolio from 2009 to 2016 The compound average return is lower than the simple average return if an investor hold Alpha stock from 2009 to 2016. The standard deviation of returns to the index portfolio is higher than the standard deviation of returns to Alpha stock in the period 2009-2016. The standard deviation of returns to the index portfolio is lower than the standard deviation of returns to Alpha stock in the period 2009-2016