Statistical Methods For Mineral Engineers Link

She didn't celebrate. She opened her laptop instead.

Elara didn't argue. She pulled out a run chart—a simple time-series plot of the crusher’s closed-side setting (CSS). “See these oscillations? Every time you adjust the CSS manually, you overcorrect. The moving range between samples is 4 millimeters. Your control limit for natural variation should be 2 millimeters. You’re introducing special cause variation.” Statistical Methods For Mineral Engineers

She left him with a process behavior chart and walked to the grinding mill. She didn't celebrate