1. Ross Hopkins is attempting to monitor a filling process that has an overall average of 705 cc…. 1 answer below »

1. Ross Hopkins is attempting to monitor a filling process that has an overall average of 705 cc. The average range is 6 cc. If you use a sample size of 10, what are the upper and lower control limits for the mean and range?

2. Sampling four pieces of precision-cut wire (to be used in computer assembly) every hour for the past 24 hours has produced the following results:

Develop appropriate control charts and determine whether there is any cause for concern in the cutting process. Plot the information and look for patterns.

 

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