2 Consider the performance of a stock fund and a bond fund, based on the state of the teconomy. Required: Using the information in the table above and the weights below, calculate the mean, variance, and standard deviation of a combined 23 (Use cells A5 to D21 from the given information to complete this question.) Students: The scratchpad area is for you to do any additional work you need to solve this question or can be used to show your v Ilation Mode: Automatic Workbook Statistics