Assignment:
Given the set of data below, construct the required control chart and determine if the process is under control. If the process is out-of-control, you need to assume special causes of variation and recalculate limits.
| Sample Number |
X1 (min) |
X2 (min) |
X3 (min) |
X4 (min) |
X5 (min) |
X6 (min) |
X7 (min) |
X8 (min) |
X9 (min) |
X10 (min) |
| 1 |
9.8 |
10.3 |
10.2 |
9.1 |
10.6 |
9.8 |
10.3 |
10.2 |
9.1 |
10.6 |
| 2 |
8.3 |
9.9 |
9.9 |
9.2 |
10.4 |
8.3 |
9.9 |
9.9 |
9.2 |
10.4 |
Provide complete and step by step solution for the question and show calculations and use formulas.