The table below shows the number of one company's stores located in each of 50 regions. Complete parts (a) through (c) below. 64 22 80 51 127 23 27 197 98 1 16 1 56 84 159 40 342 137 70 21 85 410 560 129 46 5 45 81 67 69 58 100 28 204 58 18 142 18 78 33 68 114 11 81 41 231 36 307 :l 31 39 24 103 3. Compute the mean, variance, and standard deviation for this population. The population mean is p: . (Type an integer or a decimal. Round to one decimal place as needed.)