Question

1. These observations are coded measures of the thickness of the resistance layer on the Integrated Circuits you produce. The target thickness is 210 units. The two customers who buy the ICs to incorporate in their own products have different specification limits: 190 to 250, and 200 to 240. All of the ICs you have shipped have been inside of these specifications, but your customers are complaining about the performance. Create a run chart in Minitab to see the trend for the past month.

wk1	IC T	wk 2	IC T	wk3	IC T	wk4	IC T
11/1/15	203	11/8/15	201	11/15/15	203	11/22/15	212
11/2/15	206	11/9/15	206	11/16/15	207	11/23/15	218
11/3/15	210	11/10/15	203	11/17/15	201	11/24/15	230
11/4/15	201	11/11/15	206	11/18/15	204	11/25/15	233
11/5/15	205	11/12/15	210	11/19/15	208	11/26/15	230
11/6/15	206	11/13/15	201	11/20/15	220	11/27/15	223
11/7/15	210	11/14/15	205	11/21/15	231	11/28/15	227

Answer 1

Run Chart in Minitab for IC T.