(Answered) Question data were collected on a quantitative measure with

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Question: Data were collected on a quantitative measure with a subgroup size of three observations. Thirty subgroups were collected, with the following results:

x⁼ = 1,3454.4 R¯ = 209.3

a. Determine the Shewhart factors that will be needed if x- and R-charts are to be developed.

b. Compute the upper and lower control limits for the R-chart.

c. Compute the upper and lower control limits for the x-chart.

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