A capability study is a six-sigma tool that statistically compares real-life process variation to product specifications. Long-term process capability is measured by Pp and Ppk. As the name indicates, long-term studies include process performance data that is collected over a long period of time, such as a month for example. It’s common to collect hundreds or even thousands of data points for use in long-term studies. To learn more visit us at https://www.tools4t.com.
