ample 18 28 22 34 26 ning that these data were col ed to be operating in control, develop the R chart Compute the upper and lower control limits for the A chart. (Round your a swers to two decimal places.) UCL - LCL Construct the R chart. UCL UCL Sample Range Sample Range Sample Range Sample Rang of LCL LCL LCL 6 8 10 12 14 16 18 20 4 6 8 10 12 14 16 18 20 4 6 8 10 12 14 16 18 20 6 8 10 12 14 16 18 20 Sample Number Sample Number Sample Number Sample Number Assuming that these data were operating in control, develop the x chart. Compute the upper and low er control limits for the x chart. (Round your two decimal places.) UCL - LCL Construct the * chart. UCL ean x UCL Sample Mean X W Sample Mean X LCL LCL 4 6 8 10 12 14 16 15 20 2 4 6 8 10 12 14 16 18 20 6 8 10 12 14 16 18 20 4 6 8 10 12 14 16 18 20 O Sample Number Sample Number Sample Number Sample Number