Answer the following problems. 1. The following are the heights to the nearest centimeter of 15 English Teachers in St. Joseph's Academy. 162 160 152 164 154 153 163 155 161 165 156 165 166 160 151 Compute the following: a. Population mean b. Population Variance c. Population Standard deviation 2. There were a total of 15 master's students who took the comprehensive examination. Their scores are given below: 93 92 85 78 90 83 81 80 82 85 74 79 88 91 77 Compute the following: a. Population mean b. Population variance c. Population standard deviation