1 4 4 3.8 The following data table and chart appear in an Excel spreadsheet. Use these to answer the following 3 questions. Data Table 3.714835 -0.5 -0.9 0.5 0 1 4 4 4 0.9 3.157531 3.377869 3.634556 3.874274 0.8 2.34094 2.835489 3.352611 0.7 1.590597 2.426932 3.176476 3.780212 0.6 1.058301 2.227106 3.1241 3.815757 0.5 1.118034 2.291288 3.201562 3.905125 2.6 3.4 4.04475 3.7 4.229657 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5 0.4 1.708801 0.3 2.475884 3.080584 0.2 3.298485 3.666061 4.079216 4.454211 0.1 4.14367 4.313931 4.517743 4.712749 0 5 5 5 5 18 16 14 12 10 -Series 1 Mean Historical Return ON ON 50 Series2 6 4 Series 3 Series 4 Series 0 1 2 3 4 5 Historical Standard Deviation of Returns 11. What must be the variable whose formula appears in row 1, column 1 of the data table? a. mean historical return b. historical standard deviation of returns C. correlation coefficient d. the assumed weight in the less risky stock