Question: I need the standard deviation, and upper and lower control limits of x bar and R Refer to Table 56.1 - Factors for Computing Control

I need the standard deviation, and upper and lower control limits of x bar and R

Refer to Table 56.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. A process that is considered to be in control measures an ingredient in ounces. Below are the last 10 samples (each of size n = 5) taken. The population process standard deviation is 1.64. Samples 5 6 1 2 3 4 7 8 9 10 10 11 11 10 11 9 9 11 9 9 11 10 10 10 12 12 10 10 11 13 9 8 10 9 8 13 12 8 11 11 9 11 9 9 12 10 7 11 10 12 8 8 10 9 10 9 8 8 a) Standard deviation of the sampling means = ounces (round your response to three decimal places)

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