From the Data Bank, choose a variable. Select a random sample of 20 individuals, and find the mean of the data.

Data from in Data Bank

Data Bank 688988&ID number 01 03 04 08 11 12 13 14 Age 27 18 32 24 19 56 65 36 43 47 48 25 2 1 1 Educational level Smoking status 2 1 1 1 0 1 2 0 0 2 0 1 1 2 0 1 0 0 1 2 0 1 0 0 1 1 1 1 2 1 0 3 2 63 0 37 2 Exercise 2 3 0 3 Weight Serum cholesterol 196 109 170 187 199 210 Systolic pressure 120 193 126 145 210 120 105 118 196 128 115 162 208 129 108 106 188 119 106 143 206 136 111 160 240 131 99 215 215 163 106 127 201 132 132 215 138 242 193 01 Sodium Gender 118 136 F 137 M S 135 F M 142 M M 133 F S 138 F W 140 M W 151 M D 111 134 F M 109 135 F D 115 146 M 141 148 115 114 149 101 152 142 109 144 LL Marital status D F S F D M M