Question
Thirty-five samples of size 9 each were taken from a coco-bean bags in Pak Ali's Farm. The results were overall mean =57.50kgs; average range =1.71kgs.
Thirty-five samples of size 9 each were taken from a coco-bean bags in Pak Ali's Farm. The results were overall mean =57.50kgs; average range =1.71kgs. Given a=3. a) Determine the UCL and LCL of the R-chart. b) Determine the UCL and LCL of the x (bar)-chart.
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Operations Research Applications And Algorithms
Authors: Wayne L. Winston
4th Edition
0534380581, 9780534380588
