A food processor specified that the contents of a jar of salsa should weigh 14+ 0.10 ounces net. A statistical quality control operation is set up, and the following data are obtained for one week:
1 - Mon 14.10 14.06 14.25 14.06
2 – Tues 13.90 13.85 13.80 14.00
3 – Wed 14.40 14.30 14.10 14.20
4 – Thurs 13.95 14.10 14.00 14.15
5 – Fri 14.05 13.90 13.95 14.60
Using the QMpom module called Forecasting Models (Linear Regression), analyze the effect of the day on the sample means for the weight of the contents of the salsa jars.
A) Construct and x- chart based on these 5 samples
B) Construct an R- chart based on these 5 samples
C) What points, if any, have gone out of control?
D) Discuss the results.
Also, use of the QMpom module called Quality Control Models (Statistical Quality Control (SQC)) will help create the x chart and R-chart
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