Essay
Samples of n = 100 items were selected hourly over a 100-hour period, and the sample proportion of defectives was calculated each hour. The mean of the 100 sample proportions was 0.042.
Calculate the upper and lower control limits for a p chart.
UCL = ______________
LCL = ______________
Explain how to construct a p chart for the process and how it can be used.
________________________________________________________
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