You are often faced with the decision of how to react to the variation in your process. Should you investigate for some ...

Is it a probability limit? Is it an economic limit? Read on to find out! A control chart consists of several parts. It has two limits. The bottom dashed line is called the lower control limit (LCL ...

The following statements create the chart shown in Output 38.4.1 ... and it is decided to eliminate these batches from the data set and recompute the control limits. The following statements create a ...