Question: 4. Use of the sample range to estimate variability can also be applied to the Crunchy Potato Chip operation. A quality control inspector has taken

4. Use of the sample range to estimate variability can also be applied to the Crunchy Potato Chip operation. A quality control inspector has taken 4 samples with 8 observations each, measuring the volume of chips per bag. If the average range for the 4 samples is 0.2 ounces and the average mean of the observations is 12.5 ounces, develop three sigma control limits for the bottling operation.

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