【正文】
in time order, you will have to sort the table in correct time order before making the control chart. Indiv idual M e a s ure me nt of M e a n( T hic k nes s )708090100110120130Mean(Thickness)1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30A v g = 9 9 . 0 7L C L = 7 8 . 7 2U C L = 1 1 9 . 4 1Indiv idual M e a s ure me nt of Ra ng e ( T hic k nes s ) 2 . 50 . 02 . 55 . 07 . 51 0 . 01 2 . 5Range(Thickness)1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30A v g = 4 . 7 3 7L C L = 1 . 9 2 4. 3 9 8LCL (R) = 0 Example of Computing Control Limits for X R Chart using JMP 18 Internal Use Only Prepare By: Vicky Wang Date: 06/Aug/2023 記錄有關(guān) OOC信息 記錄在表單 QCMAOR07上。 10WIRES/UNIT. X Bar R CHART. 何時(shí) /如何收集數(shù)據(jù) 7 Internal Use Only Prepare By: Vicky Wang Date: 06/Aug/2023 如何計(jì)算平均值 ,極差 ?X BAR R CHART參數(shù)計(jì)算 對(duì)于 k組樣本 ,每組抽樣量均為 n的數(shù)據(jù) ? Xi=(X1+X2+ ….Xn)/n (i=1 ~ k) ?Ri= XmaxXmin (i=1 ~ k) ?X BAR CHART的中心線 (CENTER LINE) X barbar =(Xbar1+Xbar2+…Xbark)/K ?R CHART的中心線 (CENTER LINE) R bar=(R1+R2+…Rk) /k 8 Internal Use Only Prepare By: Vicky Wang Date: 06/Aug/2023 ?對(duì)于 X B