In: Statistics and Probability
X=Blood Cholesterol (in mg/dL) Levels of 32 Participants at a Community Health Fair
n= total number of observation = 32
we arrenge the data in increasing order
| X |
| 168 |
| 180 |
| 180 |
| 185 |
| 185 |
| 187 |
| 188 |
| 188 |
| 188 |
| 189 |
| 190 |
| 194 |
| 195 |
| 195 |
| 196 |
| 196 |
| 197 |
| 198 |
| 198 |
| 199 |
| 200 |
| 200 |
| 200 |
| 200 |
| 203 |
| 210 |
| 210 |
| 211 |
| 220 |
| 221 |
| 240 |
| 259 |

| X | X-X̅ | (X-X̅)2 | |
| 180 | -19.0625 | 363.3789 | |
| 185 | -14.0625 | 197.7539 | |
| 200 | 0.9375 | 0.878906 | |
| 198 | -1.0625 | 1.128906 | |
| 211 | 11.9375 | 142.5039 | |
| 203 | 3.9375 | 15.50391 | |
| 199 | -0.0625 | 0.003906 | |
| 195 | -4.0625 | 16.50391 | |
| 210 | 10.9375 | 119.6289 | |
| 190 | -9.0625 | 82.12891 | |
| 210 | 10.9375 | 119.6289 | |
| 200 | 0.9375 | 0.878906 | |
| 180 | -19.0625 | 363.3789 | |
| 197 | -2.0625 | 4.253906 | |
| 188 | -11.0625 | 122.3789 | |
| 198 | -1.0625 | 1.128906 | |
| 187 | -12.0625 | 145.5039 | |
| 240 | 40.9375 | 1675.879 | |
| 189 | -10.0625 | 101.2539 | |
| 168 | -31.0625 | 964.8789 | |
| 185 | -14.0625 | 197.7539 | |
| 220 | 20.9375 | 438.3789 | |
| 188 | -11.0625 | 122.3789 | |
| 200 | 0.9375 | 0.878906 | |
| 188 | -11.0625 | 122.3789 | |
| 259 | 59.9375 | 3592.504 | |
| 195 | -4.0625 | 16.50391 | |
| 221 | 21.9375 | 481.2539 | |
| 200 | 0.9375 | 0.878906 | |
| 196 | -3.0625 | 9.378906 | |
| 194 | -5.0625 | 25.62891 | |
| 196 | -3.0625 | 9.378906 | |
| Total= | 6370 | 9455.875 | |
| mean=X̅ | Total/n | ||
| 199.0625 |
