Question: Refer to Table $6.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. A process that is considered to be in control

Refer to Table $6.1 - Factors for Computing

Refer to Table $6.1 - 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. 2 4 7 9 1 9 10 11 8 13 13 12 12 13 12 3 13 8 10 10 9 11 10 10 9 9 Samples 5 6 11 9 11 11 9 8 10 11 11 8 11 10 11 8 9 8 14 9 7 10 7 9 8 11 13 8 10 10 13 8 8 11 a) Standard deviation of the sampling means = ounces (round your response to three decimal places). b) If z= 3, what are the control limits for the mean chart? c) If the population process standard deviation is unknown, what are the control limits for the mean chart? What are the control limits for the range chart? d) Is the process in control? Please answer a, b,c, and d

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