Just calculate the standard deviations.

Probability M 0.3 15.00 % 21.00% 0.4 8.00 3.00 0.3 18.00 12.00 The data has been collected in the Microsoft Excel Online file below. Open the spr X Open spreadsheet a. Calculate the expected rate of return for the market. Do not round interme 13.1 % Calculate the expected rate of return for Stock J. Do not round intermediate 11.1 % b. Calculate the standard deviation for the market. Do not round intermediate % Calculate the standard deviation for Stock J. Do not round intermediate calc % Back Autosav