Shares of Apple (AAPL) for the last five years are collected. Returns for Apple's stock were 37.7% for 2014 -46% for 2015, 10% for 2016, 46,1% for 2017 and -6.8% for 2018 The standard deviation is how much for this data? OA 21.73 % 08.75.5% OC 595% O 0.41 8%