This problem is most easily solved using a spreadsheet; for accuracy input percentages as decimals or use the of sign. do not input as if these ware integers. Do not do any interim rounding, calculate values to 6 decimal places before converting to percentages, state the answer to two places, do nof use labels (%, S). For example, if the value is 0.06458, the answer is 6.46. Given the following intormation about past returns for Saphir Netmarketing. What is the standard deviation of returns