Question I: Which oil ETF has bigger absolute total risk (standard deviation), USO or Oil? Why? Question 2: Which oil ETF has bigger relative total risk (coefficient ofvariation), USO or Oil? Why? USO 16.84 20.51 20.31 19.88 15.59 15.89 14.68 14.81 12.93 Oil 10.05 12.46 12.35 12.05 9.17 9.18 8.46 8.59 7.52 6.23 5.12 4.63 USO Return Oil Return 2-Mar-15 IAa1 1-May-15 -Jun-15 1-Jul-15 3-Aug-15 19.72% -0.98% -2.14% -24.31 % 1.91% 7.92% 0.88% 21.50% -0.89% 2.46% -27.31 % 0.11% -817% 1.52% 13.30% 18.82% 19.62% 10.06% 1.0 .15 N1. 1-Dec-15 4-Jan-16 16.17% 13.09% 9.65 8.55 Absolute total risk Relative total risk For abosulte total risk please also show your details of calculation in each step. Not just use the single function