![For a process which is in a state of statistical control (within ± 3s ) estimated process standard deviation (s) is 3 mm](https://www.gkseries.com/blog/wp-content/uploads/2023/09/For-a-process-which-is-in-a-state-of-statistical-control-within-±-3s-estimated-process-standard-deviation-s-is-3-mm.jpg)
Q. For a process which is in a state of statistical control (within ± 3s ), estimated process standard deviation (s) is 3 mm. The specification limits for the corresponding product are 100 ± 7 mm. The capability ratio Cr is _______(round off to 3 decimal places)
Ans: 0.777 – 0.779
Sol:
![](https://www.gkseries.com/blog/wp-content/uploads/2023/09/Screenshot-829.png)