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The results of inspection of 10 samples with its average and range are tabulated in the following table B.21. The values of various factors (like A2, D4 and D3) based on normal distribution can be taken as A2 = 0.58, D3 = 0 and D4 = 2.11.

Question-Answer › Category: Manufacturing/Production › The results of inspection of 10 samples with its average and range are tabulated in the following table B.21. The values of various factors (like A2, D4 and D3) based on normal distribution can be taken as A2 = 0.58, D3 = 0 and D4 = 2.11.
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vivek asked 1 year ago

 

The results of inspection of 10 samples with its average and range are tabulated in the following table B.21. The values of various factors (like A2, D4 and D3) based on normal distribution can be taken as A2 = 0.58, D3 = 0 and D4 = 2.11.
i) The results of inspection of 10 samples with its average and range are tabulated in the following table B.21. The values o

 
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Sazid Ahmad answered 1 year ago

 

X-Chart Σα (IX 7+7.5+ 8.0+ 10.+9.5+11+11:5+4+3.5+4 co ) 3 N = 7.6 2+3+2+2+3+4+3+2+3+2 R = ER . Z = 2-6 then, 3+A LEL= ja A RR- Chart R= = 2-6, then, UCLE Dux 2elz (ox2.6) = (3.11.X2-6) 5.486 Hence, for X-Chost 1 LCL = 6.092 UCL = 9.108 for R-Chart.

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Sazid Ahmad answered 1 year ago

Solution of question 1 (part i & ii) is given in following figure.
10 5.5 Rchart centeoclisie == (ER) 2+3+2+----2 =26 UCL = Dj R = 2,1182.6= LCL = DER=0x2160 X chout centreline (CL)- = Ex = 76

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