Please help! For some reason, my SD and other calculations are not coming out correctly. Please help by showing me how to do it via excel. Thank you.

Chipboar ara Font y Alignment Numbe Assignment: Week 5 Homework Assignment Score: 72.00% D2 X =A2*(B2-C7)^2 Save Submit Assignment for Grading A B C D E F Questions Question 3 of 5 1. Check My Work 2. 3. EB eBook H Problem Walk-Through Expected Expected Standard 1 Return Probability Return Deviation 2 0.1 -0.50% -0.0005 0.0021316 3 0.1 -12.00% -0.012 0.0068121 4 0.4 15.00% 0.06 3.24E-05 5 0.3 31.00% 0.093 0.0085683 6 0.1 0.50% 0.0005 0.0018496 7 Stock Expected Return 14.10% 8 Total SD 9 4. A stock's returns have the following distribution: 5. 10 11 12 Demand for the Probability of this Rate of Return If Company's Products Demand Occurring This Demand Occurs Weak 0.1 (50%) Below average 0.1 (12) Average 0.4 15 Above average 0.3 31 Strong 0.1 50 1.0 Assume the risk-free rate is 2%. Calculate the stock's expected return, standard deviation, coefficient of variation, and Sharpe ratio. Do not round intermediate calculations. Round your answers to two decimal places. 13 14 15 16 17 18 19 Stock's expected return: 20 14.1 % % 21 Standard deviation: 22 Coefficient of variation: 23 24 Sharpe ratio: 25 26 27 Check My Work 28 29 0=Icon Key 30 21