Find the range, variance, and standard deviation for the data selected in Exercise 1.

Data from in Exercise 1

From the Data Bank, choose one of the following variables: age, weight, cholesterol level, systolic pressure, IQ, or sodium level. Select at least 30 values, and find the mean, median, mode, and midrange. State which measurement of central tendency best describes the average and why.

  

Data Bank 8888888 ID number 01 02 03 04 05 06 07 08 10 11 12 13 14 Age 27 18 32 24 19 56 65 36 43 47 48 25 63 37 NEducational level 1 1 0 2 0 2 1 1 1 2 1 1 3 2 0 2 0 1 Smoking status 1 1 0 0 1 2 0 0 0 2 0 1 0 1 1 2 3 0 3 1 2 1 0 Exercise Weight 120 145 118 162 106 143 160 215 127 132 196 109 170 187 Serum cholesterol Systolic pressure 01 148 115 Sodium 193 126 210 120 196 128 208 129 188 119 206 136 240 131 99 215 163 106 201 132 111 215 138 109 199 115 210 114 242 149 101 152 193 142 109 118 136 105 137 115 135 108 142 106 133 111 138 140 151 134 135 Gender Marital status F M M S F M M M F S F W M W M F F D M D 146 M D 141 F S F 144 M D M