Question: 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

Refer to Table 56.1 - Factors for Computing

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 1.20 1 2 4 7 9 10 9 10 8 11 9 12 11 10 3 12 8 10 9 8 Samples 5 6 11 9 10 9 9 7 10 12 9 9 11 9 12 9 10 8 12 11 7 9 9 12 12 10 10 10 11 9 7 11 7 9 12 12 8 9 9 10 a) Standard deviation of the sampling means = 0.733 ounces (round your response to three decimal places). b) With z = 3, the control limits for the mean chart are: UCL- = 12.539 ounces (round your response to three decimal places). LCL = 8. 141 ounces (round your response to three decimal places). c) The control limits for the R-chart are: UCLR = 8.672 ounces (round your response to three decimal places). LCLR = 0.000 ounces (round your response to three decimal places). d) Based on the x-chart, is one or more samples beyond the control limits? No Based on the R-chart, is one or more samples beyond the control limits? No

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