Table 1. Serum-cholesterol levels (mg/dL) before and after adopting a vegetarian diet Subject Before After Difference 1 195 146 49 145 155 -10 3 205 178 27 4 159 146 13 5 244 208 36 6. 166 147 19 7...

a. Compute the mean, median, and mode of the cholesterol change.

b. Compute the standard deviation of the cholesterol difference.

Extracted text: Table 1. Serum-cholesterol levels (mg/dL) before and after adopting a vegetarian diet Subject Before After Difference 1 195 146 49 145 155 -10 3 205 178 27 4 159 146 13 5 244 208 36 6. 166 147 19 7 250 202 48 8 236 215 21 9 192 184 8 10 224 208 16 11 238 206 32 12 197 169 28 13 169 182 -13 14 158 127 31 15 151 149 16 197 178 19 17 180 161 19 18 222 187 35 19 168 176 -8