P-CHART AND DESCRIPTIVE STATISTICS MINITAB EXERCISE

QUESTIONS TO ANSWER

1.What does the P chart (percent defectives) show in terms of an average % across the sample shown?

2.What does this say about the effectiveness of the "Red Alert" process set at 14%? What should be done about this strategy?

3.What other points on the control chart need investigating and why?

4.What should be the daily process that the company uses to monitor performance?

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CASE DETAILS