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Three companies' stock prices over the course of 30 days are provided. Using the data, compute and interpret the coefficient of variation. Click the icon to view the stock prices. Stock Prices Data Compute the coefficient of variation for Company A. The coefficient of variation for Company Ais I (Round to three decimal places as needed.) 0 Stock Prices Company A 84.86 84.91 81.73 85.37 84.42 81.75 83.36 88.54 83.96 82.21 88.63 83.84 89.17 82.14 82.28 85.98 85.53 Company B 183.39 187.24 186.25 186.78 187.65 188.13 186.51 192.77 189.75 188.74 193.12 187.13 192.21 194.91 185.93 191.61 183.73 Company C 35.54 34.54 35.19 35.33 35.48 35.45 34.83 35.24 34.42 34.57 34.41 35.26 34.91 34.56 35.16 35.47 34.38 Using Pivot Tables, find the mean and standard deviation of sales by region in the data provided. Click the icon to view the data Sales Data Complete the table below. (Type integers or decimals rounded to two decimal places as needed.) Average of Amount StdDev of Amount East North South West Grand Total U Region West West East South East West West South West East North East South South North North East West Amount $24.44 $21.12 $21.32 $21.36 $174.18 $20.16 $19.19 $15.27 $17.87 $17.67 $19.52 $23.49 $22.46 $23.91 $160.78 $22.53 $20.97 $23.58 Product DVD DVD Book DVD Book Book Book Book DVD DVD DVD Book Book DVD Book Book Book DVD