You pull 5 bags of chips off of the production line every hour. The process is currently under control. The average weights are calculated for each sample, and the average of those averages is 106. The ranges are calculated for each sample, and the average of those ranges is 3.1. What is the Upper Control Limit for the X-bar chart? Round your answer to one decimal place.
Expert Answer
The given data is :
n=5
X double bar = 106
R bar = 3.1
For n=5. from the table we get A2=0.577, D3=0 and D4=2.114
Upper Control Limit = UCLx = X Double Bar
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