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    3 sigma chart

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    Fifty samples of size 600 were drawn from a manufacturing process and the number of defectives in each sample was counted. The mean sample proportion was 0.025. The lower control limit for the 3-sigma p chart is

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    https://brainmass.com/statistics/control-chart/3-sigma-chart-231796

    Solution Summary

    The solution provides step by step method for the calculation of 3 sigma control limits . Formula for the calculation and Interpretations of the results are also included.

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