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Chapter 13 Quiz - Quality Control and Improvement
Compute p-bar for the p chart.
Compute the standard error of p-bar.
Based on the p chart, is this process in control?
The following are the number of flaws in bolts of material for use in industrial upholstering:
4, 6, 7, 8, 7, 5, 10, 15, 7, 6, 8, 5, 6, 8, 10, 4, 8, 5, 4, 6, 4, 6, 7, 5, and 6
Compute the value of c used to estimate the center-line in a c chart for this data.
Compute the UCL and LCL respectively.
Based on the c chart, is this process in control?