A process sampled 20 times with a sample of size 8 resulted in x = 28.5 and R = 1.6. Compute the upper and lower control limits for the E and R charts for this process. Round your answers to two decimal places. Use Table 19.3. R Chart: UCL = 29.10 LCL = 27.90 Chart: UCL = 2.98 LCL : .22A process sampled 20 times with a sample of size 9 resulted in E = 28.5 and E = 1.9. Compute the upper and lower control limits for the E and R charts for this process. Round your answers to two decimal places. Use Table 19.3. R Chart: UCL = LCL = 5 Chart: UCL = LCL =