1. What are the lower and upper control limits for a fraction defective (p) chart if the limits are calculated from P¯±3√P¯(1-P¯)/n and P¯= 0.1 , n = 20?
2. A critical dimension is being measured. The overall average is 0.34 and the average Range is 0.22. What are the lower and upper control limits for an X-bar chart if the sample size is 2?
These objective questions belong to Statistics and the questions are about calculating upper level and lower level control limits for a fraction and calculating upper and lower limit for an X-bar chart.
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