4. (To be done entirely by hand) A researcher wants to compare the total blood cholesterol levels in patients from four different census tracts in a major city. The cholesterol levels are shown in the following table: Area A Area B Area C Area D 96 120 224 138 222 101 191 126 122 230 139 224 104 192 166 128 242 140 230 104 193 168 131 250 140 231 107 194 173 132 251 141 232 108 195 178 147 159 233 122 200 190 148 166 237 125 206 194 149 172 243 136 207 195 151 176 245 139 207 198 160 180 263 149 209 212 160 182 274 160 210 212 162 185 294 162 212 213 164 188 307 162 215 215 165 188 327 168 221 216 174 192 171 224 227 184 194 173 227 185 194 174 229 188 200 175 231 192 202 180 239 194 203 182 241 197 206 182 248 198 210 184 262 201 215 184317 221 220 190 Complete the appropriate test. If necessary, complete the appropriate Post-Hoc Test. (You may choose any appropriate test or Post-Hoc Test applicable that was shown in lecture.)