solve standard deviation for stock A and b please

(Expected rate of return and risk) Summerville Inc. is considering an investment in one of two common stocks. Given the information in the popup window: , which investment is better, based on the risk (as measured by the standard deviation) and return of each? Data table (Click on the following icon in order to copy its contents into a spreadsheet.) (Expected rate of return and risk) Summerville Inc. is considering an investment in one of two common stocks. Given the information in the popup window: which investment is better, based on the risk (as measured by the standard deviation) and return of each? a. The expected rate of return for Stock Ais 6. (Round to two decimal places) The expected rate of return for Stock B is \%. (Round to two decimal places) b. The standard deviation for Stock A is %. (Round to two decimal places)