9. Determine the central lines and control limits for Z and W charts with a subgroup size of 3 and draw the graphs. If the target X is 25.00 and target R is 0.05, determine the plotted points for the following three subgroups. Are any points out of control?

Transcribed Image Text:

Subgroup X X2 X3 12 1 24.97 25.01 25.00 2 25.08 25.06 25.09 3 25.03 25.04 24.98