Managing Supply Chain and Operations 1st Edition by Thomas Foster ,Scott Sampson,Cynthia Wallin,Scott Webb

Exercise 2

A chocolate company makes candy bars to be used by elementary schools for fund-raising. One of the important quality characteristics is the weight of the bar. To monitor the weights, the production team wants to use process control charts. Data for 30 samples of four bars each are as follows: Use Excel to develop an chart to determine if the process is stable or not.