Question: You are developing an X-bar chart based on sample means. You know the average of the ranges is 6, the sample size is 5 and

You are developing an X-bar chart based on sample means. You know the average of the ranges is 6, the sample size is 5 and the average of the sample means is 20. Which of the following is your UCL? Select one: a. 16.52 b. 24 c. 30.32 d. 23.48 e. 9.68 You are going to develop an R-chart based on range statistics, and you are using a sample size of 9 for your charting purposes. Which of the following is the upper controllimit D4 factor for the chart? Select one: a. 1.82 b. 0.14 C. 0.18 d. 0.22 e. 0.08

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