Repeat Exercise 20.42 and apply all of the diagnostic tests available with your statistical software. Has applying these diagnostics to the mean and range charts raised any concerns regarding the state of control of the process? If so, in what way(s)?
In exercise

Transcribed Image Text:

Minutes, Battery Number Sample Number 13.3 12.2 11.2 7.8 10.1 9.9 9.4 13.4 8.2 9.7 11.4 11.7 12.1 8.5 9.2 10.0 13.8 8.5 4