The following are the percent gains$/$losses from a pharmaceutical company $($by year$)$ over the last six years. $+16\%,-14\%,-2\%,+1\%,+18\%,+19\%$ If the overall stock market had a standard deviation of $17\%$ per year over the last six years, test the claim that this stock is more risky than the average stock. $[$Hint: you will need to compute the standard deviation of the six given gains$/$losses$...$then test to see if it is better than the market.$]$