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Statistics - LCL, UCL

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Assume that 25 samples of 50 each ( 50 per sample) are taken and the total number of defectives is 34.

a] Calculate -
p

b] Find the LCL and UCL for the p-chart.

Please show me all of your work

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Solution Summary

The expert finds the LCL and UCL for a p-chart. A complete, neat and step-by-step solution is provided.

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n = 50

(a) p-bar = Total defectives/Total items = 34/(25 * 50) = 0.0272

(b) LCL = p-bar - 3 * ...

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