Calculate each sample mean-sample range-grand mean

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Reference no: EM131723506

Small Boxes of FiberBlast Cereal are labeled “net weight 10 ounces.” Each hour random samples of 5 boxes are weighed to check process control. Ten hours of observations yielded the following data:

Hourly Samples

1 2 3 4 5 6 7 8 9 10

10 9 13 10 12 10 10 13 8 10

9 12 9 10 10 10 11 10 8 12

10 11 10 11 9 8 10 8 12 9

9 11 10 10 11 12 8 10 12 8

12 10 9 10 10 9 9 8 9 12

1. calculate each sample mean, sample range, grand mean, average range, upper and lower control limits.

Reference no: EM131723506

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