Refer to the table Factors for Computing Control Chart Limits (3 sigma) for this problem. The overall average of a process you are attempting to monitor at Feryal Erhun Enterprises is 50 units. The average range is 5 units. The sample size you are using is n=7. Data Table b) What are the upper and lower control limits of the 3-sigma range chart? Upper control limit (UCLR)= units (round your response to two decimal places). Lower control limit (LCLR) = units (round your response to two decimal places). Sample Size, n Mean Factor, A2 Lower Range, D3 0 2 3 4 0 0 0 5 6 7 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 8 9 0.076 0.136 0.184 0.223 0.284 10 12 Print Done