| Article ID: | iaor19942030 |
| Country: | Singapore |
| Volume: | 10 |
| Issue: | 1 |
| Start Page Number: | 131 |
| End Page Number: | 134 |
| Publication Date: | May 1993 |
| Journal: | Asia-Pacific Journal of Operational Research |
| Authors: | Basnet Chuda, Case Kenneth E. |
| Keywords: | quality & reliability |
In the production of homogeneous products, it is often desirable to use individual samples for control chart purposes. In this situation, the moving range of two consecutive observations is correlated. This note presents expressions for calculating the correlation coefficient of the moving range of two individual measurements.