When it comes to using X-bar and R charts in your statistical analysis, a common misconception ... Bar and R Charts Tampering with a process in statistical control will increase your variation ...

Control charts usually present a graphic display of process stability and/or instability ... Histograms can be a useful analysis tool for businesses,... How to Calculate Variance in OpenOffice.

Trend charts are used to see the changes throughout a process. They come in different forms like the run, control ... benefit from learning about trend analysis tools. No one can tell the future ...