Question: is sample 1 in control? is sample 2 in control? is sample 3 in control? is sample 4 in control? is sample 5 in control?

is sample 1 in control?

is sample 2 in control?

is sample 3 in control?

is sample 4 in control?

is sample 5 in control?

is sample 6 in control?

is sample 1 in control? is sample 2 in control?

Use the information below to answer the next 9 questions. A quality inspector took six samples, each with twenty observations, of the weight of a bagging process, in pounds. The sample means and ranges are shown below. Sample 1 2 3 4 5 6 Mean 3.55 3.80 3.50 3.60 3.50 3.55 Range 0.55 0.75 0.55 0.51 0.35 0.65 Use this information to obtain a three-sigma R-chart for the dispersion of the weight. Use that control chart to answer the questions below. Do not round intermediate calculations. Round your final answers to three decimal points

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