Q. When data is plotted on the control charts, the data is of two types: R and -bar. The R data represent points of a ______________ while the X-bar data represent points of a (n) ______________. (Solved)
1. random sample; cross-matrix sample
2. real sample; simulated sample
3. 100 percent sampling; 10 percent sampling
4. sampling run; average of several runs
- d. sampling run; average of several runs