The target fill weight for a box of cereal is 350 g. Each day a sample of
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The target fill weight for a box of cereal is 350 g. Each day a sample of 300 boxes is taken, and the number that are underweight is counted. The number of underweight boxes for each of the last 25 days is as follows:
a. Compute the upper and lower 3σ limits for a p chart.
b. Is the process in control? If not, when is it first detected to be out of control?
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a The sample size is n 300 The mean number of underw...View the full answer
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