| Time to prepare pizza and place in oven (in minutes) |
| Sample 1 | Sample 2 | Sample 3 | Sample 4 | X-Bar | Range | Sigma |
| 5 | 3 | 5 | 3 | 4 | 2 | 1.1547005384 |
| 6 | 3 | 5 | 3 | 4.25 | 3 | 1.5 |
| 5 | 4 | 4 | 3 | 4 | 2 | 0.8164965809 |
| 7 | 3 | 4 | 3 | 4.25 | 4 | 1.8929694486 |
| 5 | 5 | 5 | 3 | 4.5 | 2 | 1 |
| 8 | 4 | 3 | 2 | 4.25 | 6 | 2.6299556397 |
| 3 | 7 | 4 | 2 | 4 | 5 | 2.1602468995 |
| 3 | 4 | 6 | 4 | 4.25 | 3 | 1.2583057392 |
| 4 | 5 | 6 | 4 | 4.75 | 2 | 0.9574271078 |
| 5 | 4 | 7 | 3 | 4.75 | 4 | 1.7078251277 |
| | X Bar = 43/10 = 4.3 | | | s Bar = 15.08/10 = 1.508 |
| Time required for pizza to be prepared, cooked, and removed from oven (in minutes) |
| Sample 1 | Sample 2 | Sample 3 | Sample 4 | X-Bar | Range | Sigma |
| 13 | 11 | 17 | 12 | 13.25 | 5 | 2.6299556397 |
| 15 | 11 | 20 | 14 | 15 | 6 | 3.7416573868 |
| 11 | 14 | 20 | 16 | 15.25 | 9 | 3.7749172176 |
| 17 | 16 | 21 | 16 | 17.5 | 5 | 2.3804761428 |
| 11 | 15 | 23 | 17 | 16.5 | 12 | 5 |
| 14 | 15 | 24 | 17 | 17.5 | 10 | 4.5092497528 |
| 15 | 14 | 24 | 21 | 18.5 | 10 | 4.7958315233 |
| 12 | 18 | 26 | 19 | 18.75 | 14 | 5.737304826 |
| 20 | 17 | 23 | 22 | 20.5 | 6 | 2.6457513111 |
| 16 | 12 | 21 | 22 | 17.75 | 9 | 4.6457866216 |
| | X Bar = 170.5/10 = 17.05 | | | s Bar = 39.87/10 = 3.987 |
| Time required for order to be prepared and completed (in minutes) |
| Sample 1 | Sample 2 | Sample 3 | Sample 4 | X-Bar | Range | Sigma |
| 20 | 21 | 19 | 23 | 20.75 | 4 | 1.7078251277 |
| 18 | 18 | 18 | 20 | 18.5 | 2 | 1 |
| 18 | 21 | 19 | 20 | 19.5 | 3 | 1.2909944487 |
| 17 | 20 | 19 | 21 | 19.25 | 4 | 1.7078251277 |
| 18 | 16 | 19 | 24 | 19.25 | 8 | 3.4034296428 |
| 16 | 16 | 18 | 20 | 17.5 | 4 | 1.9148542155 |
| 20 | 17 | 19 | 19 | 18.75 | 3 | 1.2583057392 |
| 19 | 18 | 18 | 19 | 18.5 | 1 | 0.5773502692 |
| 19 | 17 | 17 | 20 | 18.25 | 3 | 1.5 |
| 20 | 19 | 18 | 21 | 19.5 | 3 | 1.2909944487 |
| | X Bar = 189.75/10 = 18.975 | | | s Bar = 15.67/10 = 1.567 |
| Delivery time (in minutes) |
| Sample 1 | Sample 2 | Sample 3 | Sample 4 | X-Bar | Range | Sigma |
| 31 | 36 | 60 | 19 | 36.5 | 41 | 17.2143351116 |
| 29 | 35 | 60 | 22 | 36.5 | 38 | 16.5428735916 |
| 29 | 36 | 58 | 23 | 36.5 | 35 | 15.2861593171 |
| 28 | 46 | 70 | 26 | 42.5 | 44 | 20.4205778567 |
| 31 | 45 | 63 | 28 | 41.75 | 35 | 15.9869738642 |
| 31 | 50 | 61 | 29 | 42.75 | 32 | 15.4137384607 |
| 32 | 55 | 45 | 28 | 40 | 27 | 12.3558353286 |
| 30 | 54 | 40 | 29 | 38.25 | 25 | 11.6153633894 |
| 34 | 55 | 36 | 30 | 38.75 | 25 | 11.1168040971 |
| 33 | 60 | 47 | 29 | 42.25 | 31 | 14.1273965519 |
| | X Bar = 395.75/10 = 39.575 | | | s Bar = 150.09/10 = 15.009 |
Clay1203
delivery_process_spc.xlsx
