A process sampled 20 times with a sample of size 9 resulted in a = 28.5 and R = 1.6. Compute the upper and lower control limits for the and R charts for this process. Round your answers to two decimal places. Use Table 19.3. R Chart: UCL 27.9 LCL 29.1 Chart: UCL 0.22 LCL 2.98

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A process sampled 20 times with a sample of size 9 resulted in a = 28.5 and R = 1.6. Compute the upper and lower control limits for the and R charts for
this process. Round your answers to two decimal places. Use Table 19.3.
R Chart:
UCL
27.9
LCL
29.1
Chart:
UCL
0.22
LCL
2.98
Transcribed Image Text:A process sampled 20 times with a sample of size 9 resulted in a = 28.5 and R = 1.6. Compute the upper and lower control limits for the and R charts for this process. Round your answers to two decimal places. Use Table 19.3. R Chart: UCL 27.9 LCL 29.1 Chart: UCL 0.22 LCL 2.98
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