Refer to the table Factors for Computing Control Chart Limits (3 sigma) for this problem. A process at Amit Eynan Bottling Company that is considered in control measures liquid in ounces. Below are the last 12 samples taken. The sample size = 4. 2 4 7 9 11 19.9 20.1 1 20.2 20.1 19.8 19.9 20.0 19.7 20.0 3 20.0 19.9 20.0 20.1 19.9 19.2 19.8 5 19.8 20.1 20.1 19.9 6 19.9 20.1 19.7 20.1 20.2 20.1 19.9 19.9 8 20.1 20.1 19.5 19.7 20.2 19.9 20.1 19.8 10 19.9 19.8 20.1 19.9 20.1 20.1 19.9 19.9 12 19.9 19.9 19.7 20.0 a) What are the control limits for the mean chart? UCLx = 20.22 ounces (round your response to two decimal places). LCLX = 19.66 ounces (round your response to two decimal places). Choose the correct graph of the sample data for the x-chart. O A 21.00 21.00 21.00 20.50 20.50 20.50 stable weight in ounces stable weight in ounces stable weight in ounces 20.00H 20.00 20.00 19.50 19.50 19.50 Sample Size, n 2 3 4 5 6 7 8 9 10 12 Mean Factor, A2 1.880 1.023 0.729 0.577 0.483 0.419 0.373 0.337 0.308 0.266 Upper Range, D4 3.268 2.574 2.282 2.115 2.004 1.924 1.864 1.816 1.777 1.716 Lower Range, D3 0 0 0 0 0 0.076 0.136 0.184 0.223 0.284 Choose the correct graph of the sample data for the x-chart. OA. B. c. 21.00 21.00 21.00 20.50- 20.50 20.50-1 20.00 20.00 20.00 19.50 19.50 19.50- 19.00- 19.00 19.00 15 15 15 10 Sample 10 Sample 10 Sample b) What are the control limits for the range chart? UCLR-ounces (round your response to two decimal places). Enter your answer in the answer box and then click Check