In 2011-2015, mutual fund manager, Diana Sauros produced the following percentage rates of return for the Mesozoic Fund. Rates of return on the market index are given for comparison.

	2011	2012	2013	2014	2015
Fund	1.3	+24.2	+40.2	+11.2	+0.4
Market index	0.7	+14.0	+31.2	+10.5	0.5

Calculate (a) the average return on both the Fund and the index, and (b) the standard deviation of the returns on each.