You are given below the values of sample mean ( X ) and the range ( R ) for ten samples of size 5 each. Draw mean chart and comment on the state of control of the process.
| Sample number |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
| \(\overset{-}{X}\) |
43 |
49 |
37 |
44 |
45 |
37 |
51 |
46 |
43 |
47 |
| R |
5 |
6 |
5 |
7 |
7 |
4 |
8 |
6 |
4 |
6 |
Given the following control chart constraint for :n=5, A2=0.58, D3=0 and D4=2.115
