Discuss the below:
Q: The following were collected for the Master Blend Coffee production process. The data show the filling weights based on samples of 3-pound cans of coffee. Use these data to construct the X-bar and R charts. What conclusions can be made about the quality of the production process?
| Sample |
Obs 1 |
Obs 2 |
Obs 3 |
Obs 4 |
Obs 5 |
| 1 |
3.05 |
3.08 |
3.07 |
3.11 |
3.11 |
| 2 |
3.13 |
3.07 |
3.05 |
3.10 |
3.10 |
| 3 |
3.06 |
3.04 |
3.12 |
3.11 |
3.10 |
| 4 |
3.09 |
3.08 |
3.09 |
3.09 |
3.07 |
| 5 |
3.10 |
3.06 |
3.06 |
3.07 |
3.08 |
| 6 |
3.08 |
3.10 |
3.13 |
3.03 |
3.06 |
| 7 |
3.06 |
3.06 |
3.08 |
3.10 |
3.08 |
| 8 |
3.11 |
3.08 |
3.07 |
3.07 |
3.07 |
| 9 |
3.09 |
3.09 |
3.08 |
3.07 |
3.09 |
| 10 |
3.06 |
3.11 |
3.07 |
3.09 |
3.07 |