Determine the Process Capability Index of the three processes given below and determine whether the processes are capable or not.
|
Process
|
Mean
|
Variance
|
Lower Specification Limit
|
Upper Specification Limit
|
|
1
|
7.5
|
0.01
|
7.0
|
8.0
|
|
2
|
4.6
|
0.0144
|
4.3
|
4.9
|
|
3
|
6.0
|
0.0196
|
5.5
|
6.7
|