Investment Final 2021.docx Protected Vie - Microsoft Word Product ctiation Failed Mailing Review References The following table shows prices for stocks x,y and z from 2009 to 2018 31-12-09 31-12-10 31-12-11 31-12-12 31-12-13 31-12-14 31-12-15 31-12-16 31-12-17 31-12-18 3012.01 3023.43 3055.10 3050.80 3034.96 3033.30 3080.97 3114.09 3120.14 3124.61 y Z 4270.69 3376.18 4358.03 3344.67 44273 3336 33 4356.87 3340.86 4359.35 3296.05 4370.92 3290.71 4450.14 3356.64 4479.13 3210,67 4498.17 3253.85 4490,64 3309.21 The following table shows the yearly retum for stocks x, y and z and the expected return and risk for the following year. Z 31-12-10 31-12-11 31-12-12 31-12-13 31-12-14 31-12-15 31-12-16 31-12-17 31-12-18 Expected Return Std. Deviation Returns: 0.003791 0.020451 0.010475 0.015895 -0.00141 -0.01591 -0.005190.000569 -0.00055 0.002654 0.015716 0.018124 0.01075 0.006514 0.001943 0.004251 0.001433 -0.00167 -0.00933 -0.00249 0.001358 -0.01341 -0.00162 0.020035 -0.04349 0.013449 0.017014 0.004107 0.005653 0.01135 0.0069 QUESTION 1 (8 marks): la) Explain how the yearly return for each stock is calculated. 1b) Explain how the expected returns and standard deviations for stocks x andy are calculated. 1c) Calculate the expected return and standard deviation for stocks y and z