Assume that 25 samples of 50 each ( 50 per sample) are taken and the total number of defectives is 34.
a] Calculate -
b] Find the LCL and UCL for the p-chart.
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n = 50
(a) p-bar = Total defectives/Total items = 34/(25 * 50) = 0.0272
(b) LCL = p-bar - 3 * ...
The expert finds the LCL and UCL for a p-chart. A complete, neat and step-by-step solution is provided.