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Question 20 Not yet answered Marked out of 2.00 P Flag question If the total of mean = 76, n= 10, R bar = 26 and also assuming A2= 0.58, D3 = 0, and D4=2.11 (A) Find upper control limit value of R control chart? Done 9.11 5.48 54.86 Question 20 Not yet answered Marked out of 2.00 Flag question If the total of mean = 76, n= 10, R bar = 26 and also assuming A2=0.58, D3 = 0, and D4=2.11 (A) Find upper controllimit value of R control chart? (B) Find lower control limit value of R control chart? Done 0.855 0 6.09 54.75