five years of realized returns for falcon freight inc. are given in the following table. while ff started 40 years ago, its common stock has been publicly traded for 25 years. if investors expext the average realized return on ff's stock from 2011 to 2015 to continue into the future what will be its coefficient of variation. here is table of five

stock returns 2011( 18.75%) 2012 (12.75%) 2013 ( 22.05%) 2014 (31.50%) 2015 (9.75%).

The average realized return of ff stock is what?

what is the coefficient of variation for 2011 to 2015.

What is the standard deviation ?