E F G H K 3 You've observed the following returns on Crash-n-Burn Computer's stock over the past five years. What is the arithmetic average return? The variance? The standard deviation? 4 5 6 7 8 Year 1 2 3 4 5 Returns 7% -13% 21% 34% 15% 9 01 WN 10 11 12 13 14 Complete the following analysis. Do not hard code values in your calculations. Make sure to use the "sample" Excel formulas in your calculations. You must use the built-in Excel functions to answer this question. 15 16 Arithmetic average return 17 Variance 18 19 20 Standard Deviation 21 Sheet1