(a) Compute the upper and lower control limits if samples of size 6 are to be used. (Round your answers to two decimal places.) UCL = 124.22 LCL = | 123.25 X UCL UCL Construct the x chart for this process. 124.50+ 124.25 124.00 123.75 123.50 123.25 123.00 122.75 Sample Mean x Sample Meanx 124.50 124.25 124.00 123.75 123.50 123.25 123.00 122.75 LCL + 10 LCL + + 8 10 2 8 2 4 6 4 6 Sample Number Sample Number (b) Consider a sample providing the following data. 123.8 123.2 124.1 123.7 123.4 124.2 Compute the mean for this sample. (Round your answer to two decimal places.) x = 124.22 Is the process in control for this sample? Yes, the process is in control for the sample. No, the process is out of control for the sample