Question: Which operator average results show the Minimum variability? Which operator has the best results (highest average strength) with material Q? Which workstation has the least
Which operator average results show the Minimum variability?
Which operator has the best results (highest average strength) with material Q?
Which workstation has the least variability of results when using material "Z"?
Create control charts for tensile strength, subgroup by day. Is this process in control?
What is the Lower Control Limit for the average chart?
What is the Upper Control Limit for the range chart?
Time Day Station Operator Material Strength 8:30 1 C Mario Z 198 9:30 1 C Aaron Z 205 10:30 1 C Taisha R 207 11:30 1 A Antonie Q 190 12:30 1 A Aaron R 232 13:30 1 D Randy Q 222 14:30 1 D Bryan Q 205 15:30 1 D Bryan Q 203 16:30 1 A Mario Q 234 8:30 2 A Allie Q 198 9:30 2 A Aaron R 236 10:30 2 C Niki R 228 11:30 2 A Bryan Z 203 12:30 2 B Ben Z 230 13:30 2 C Aaron R 196 14:30 2 C Niki R 239 15:30 2 B Antonie R 208 16:30 2 B Bryan Q 239 8:30 3 D Ben R 194 9:30 3 D Aaron Q 208 10:30 3 A Allie R 226 11:30 3 C Paula Z 233 12:30 3 B Niki Q 215 13:30 3 A Randy Z 213 14:30 3 C Taisha Q 225 15:30 3 C Antonie R 237 16:30 3 C Aaron Z 211 8:30 4 A Bryan Q 218 9:30 4 B Ben Z 235 10:30 4 B Taisha Z 190 11:30 4 D Taisha Q 238 12:30 4 A Randy Z 238 13:30 4 D Antonie R 219 14:30 4 D Allie R 240 15:30 4 A Allie Z 219 16:30 4 A Ben Z 217 8:30 5 A Ben Z 237 9:30 5 D Niki R 205 10:30 5 C Aaron R 217 11:30 5 B Paula Q 199 12:30 5 D Aaron Q 204 13:30 5 D Allie Z 202 14:30 5 D Bryan Q 234 15:30 5 C Mario Z 230 16:30 5 A Antonie Q 221 8:30 6 A Aaron Q 208 9:30 6 A Bryan Z 206 10:30 6 B Niki Z 239 11:30 6 A Aaron Q 233 12:30 6 C Niki Q 204 13:30 6 D Taisha Z 191 14:30 6 A Mario Q 217 15:30 6 C Bryan Z 203 16:30 6 D Aaron Z 208 8:30 7 A Taisha R 193 9:30 7 C Allie Z 225 10:30 7 D Antonie R 212 11:30 7 A Ben R 237 12:30 7 C Aaron R 208 13:30 7 C Randy Z 214 14:30 7 C Mario R 203 15:30 7 D Ben Z 194 16:30 7 A Taisha Q 206 8:30 8 C Bryan Z 221 9:30 8 A Randy Z 216 10:30 8 B Niki Q 197 11:30 8 B Bryan R 219 12:30 8 C Bryan R 196 13:30 8 D Aaron Q 197 14:30 8 C Allie Z 201 15:30 8 B Aaron Z 240 16:30 8 C Aaron R 218 8:30 9 C Aaron Z 240 9:30 9 B Mario Z 207 10:30 9 A Aaron R 216 11:30 9 B Ben Z 240 12:30 9 C Aaron Q 217 13:30 9 D Niki Q 236 14:30 9 C Paula Z 205 15:30 9 D Antonie Q 206 16:30 9 B Paula Q 226 8:30 10 C Taisha Z 226 9:30 10 A Ben Z 230 10:30 10 D Ben Z 196 11:30 10 A Taisha Q 233 12:30 10 B Aaron Q 223 13:30 10 C Paula Z 193 14:30 10 B Niki R 217 15:30 10 C Paula Z 208 16:30 10 B Aaron R 224 8:30 11 A Bryan R 231 9:30 11 D Niki R 22What is the Lower Control Limit for the average chart?9 10:30 11 B Randy R 213 11:30 11 B Randy Q 217 12:30 11 D Bryan R 232 13:30 11 B Ben Q 196 14:30 11 B Aaron R 197 15:30 11 A Paula Z 210 16:30 11 A Aaron Z 203 8:30 12 D Paula R 240 9:30 12 C Bryan R 239 10:30 12 B Allie Q 237 11:30 12 C Randy Q 198 12:30 12 C Bryan R 219 13:30 12 A Randy Q 207 14:30 12 C Paula Z 211 15:30 12 A Aaron Z 211 16:30 12 D Allie Z 209 8:30 13 B Mario Z 193 9:30 13 A Aaron R 232 10:30 13 B Aaron Q 196 11:30 13 D Ben Q 225 12:30 13 B Bryan Z 191 13:30 13 A Paula R 196 14:30 13 A Antonie Q 235 15:30 13 D Niki Z 206 16:30 13 B Bryan Z 238 8:30 14 D Aaron R 191 9:30 14 B Bryan R 207 10:30 14 C Niki Q 192 11:30 14 C Ben R 213 12:30 14 B Allie R 197 13:30 14 C Aaron R 194 14:30 14 D Aaron Z 222 15:30 14 A Niki Z 218 16:30 14 C Niki Q 229 8:30 15 D Aaron Z 227 9:30 15 C Mario R 218 10:30 15 B Taisha Z 235 11:30 15 B Mario R 216 12:30 15 C Ben Z 202 13:30 15 B Aaron Z 213 14:30 15 D Paula Z 201 15:30 15 A Allie R 233 16:30 15 A Antonie Q 190 8:30 16 B Bryan R 228 9:30 16 B Aaron R 221 10:30 16 D Randy R 214 11:30 16 D Allie Z 219 12:30 16 C Mario R 223 13:30 16 B Aaron R 223 14:30 16 C Randy R 238 15:30 16 D Aaron Z 205 16:30 16 D Paula Q 233 8:30 17 B Antonie Q 222 9:30 17 D Ben Q 202 10:30 17 B Mario Z 227 11:30 17 D Paula Z 234 12:30 17 C Allie R 219 13:30 17 D Aaron R 203 14:30 17 B Mario R 196 15:30 17 D Paula Z 191 16:30 17 B Niki Q 224 8:30 18 D Bryan R 207 9:30 18 C Paula R 207 10:30 18 A Antonie Q 196 11:30 18 B Allie Q 227 12:30 18 C Taisha Z 217 13:30 18 B Taisha Q 190 14:30 18 C Niki Z 197 15:30 18 A Randy R 227 16:30 18 B Aaron Q 226 8:30 19 A Antonie Z 201 9:30 19 A Ben Q 235 10:30 19 A Bryan R 203 11:30 19 B Ben R 236 12:30 19 B Taisha R 224 13:30 19 B Taisha R 195 14:30 19 B Paula Q 227 15:30 19 B Aaron Z 210 16:30 19 C Antonie Q 201 8:30 20 C Aaron R 196 9:30 20 D Bryan R 240 10:30 20 D Mario Q 203 11:30 20 D Ben R 210 12:30 20 B Paula Q 208 13:30 20 A Bryan R 215 14:30 20 C Bryan R 235 15:30 20 B Ben R 203 16:30 20 D Niki Q 218 8:30 21 B Randy Z 216 9:30 21 B Mario Q 238 10:30 21 D Paula Z 209 11:30 21 D Antonie R 199 12:30 21 D Aaron R 229 13:30 21 D Ben Z 218 14:30 21 A Niki Z 233 15:30 21 C Randy R 219 16:30 21 D Bryan Q 203 8:30 22 D Aaron R 234 9:30 22 C Antonie R 228 10:30 22 C Taisha Q 212 11:30 22 D Randy Q 224 12:30 22 D Taisha Q 227 13:30 22 D Aaron R 235 14:30 22 C Aaron Z 239 15:30 22 A Aaron R 201 16:30 22 A Ben Z 226 8:30 23 B Bryan R 197 9:30 23 C Niki R 225 10:30 23 D Allie R 215 11:30 23 C Niki Z 193 12:30 23 C Ben Q 216 13:30 23 D Bryan Q 226 14:30 23 D Paula R 235 15:30 23 B Allie Z 190 16:30 23 D Aaron Z 201 8:30 24 A Taisha Q 209 9:30 24 C Taisha Q 240 10:30 24 D Ben Z 234 11:30 24 C Antonie R 206 12:30 24 A Taisha R 206 13:30 24 D Mario Z 236 14:30 24 D Randy Z 191 15:30 24 D Paula R 194 16:30 24 B Taisha Q 216 8:30 25 D Niki Q 200 9:30 25 A Niki R 240 10:30 25 C Taisha Q 203 11:30 25 D Aaron Q 194 12:30 25 C Randy Z 209 13:30 25 B Taisha Z 204 14:30 25 B Bryan Z 193 15:30 25 B Ben R 233 16:30 25 A Aaron Z 230
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