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10 pts Total I'M Iaverage I'M-average (I'M-[ average) ^2 Stock market Step 2 -Copy Step 1 Step 3 - Return Step 4 - Square Year Return % Average Here Minus Average of Step 3 1 pt 2012 0.20% 1 pt 2013 -18.00% 1 pt 2014 -16.00% 1 pt 2015 -42.60% 1 pt 2016 67.40% 1 pt 2017 28.10% 1 pt Step 1 - Average Return Iaverage Step 5 Average of Step 4 = Variance o' = 3 pts Step 6 Standard Deviation o =