【正文】 T 10000 9000 8000 7000 6000 5000 4000 3000 2020 1000 0 UCL U LCL Jan 2 Jan 3 Jan 4 Jan 5 Jan 6 Jan 7 Jan 8 Jan 9 Jan 10 Jan 11 Checks (3 per day) Defect Rate (PPM) Historical Ave.: 2974 ppm Historical UCL: 8758 ppm Historical LCL: 0 ppm 數(shù)值工具：控制圖 數(shù)值工具：控制圖 X amp。 R Chart overall Course Evaluations n = 10 evaluations randomly sampled each week 1Not at all 2Not very 3Moderately 4Very 5Extremely .8 .6 .4 .2 UCL R LCL UCL X LCL Ave. Weekly Participant Rating X R Wk 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 1 7 8 2 2 3 5 7 0 5 5 9 6 1 3 8 1 3 8 4 0 8 1 9 3 6 1 9 6 3 7 7 1 2 0 0 0 2 8 2 1 8 3 8 6 6 3 8 0 9 4 4.13 Ave. X及 R圖 數(shù)值工具：製程能力 ?量度一致性 ?顯示出未符合要求的比例 LSL USL 數(shù)值工具：製程能力 Cpl, Cpu, Cpk: 流程變異的指標 LSL USL Target X C pl C pu X – LSL USL – X Actual Spread, 3 s Actual Spread, 3 s 數(shù)值工具：製程能力 ?Cp=（ USLLSL） /6s ?Cpu=（ USL181。 3S （ plotted pt.） ? E是預計（ expectation）函數(shù) ? S是標準偏差（ standard deviation）函數(shù) – 中心線 =E（ plotted pt.） 數(shù)值工具：控制圖 ?X 及 R 圖 IV Lines Connection Time Information provided courtesy of Parkview Episcopal Medical Center Process/Operation: IV Lines Connection Open Heart Admissions Department: Intensive Care Characteristics: Time in seconds Sample Size: One Sample Frequency: Each patient By: Date: EW 6/10 Indiv iduals: k = 26 Ranges: n = 2 ?X = 8470 ?R = 2990 X = R = UCL = 645 UCL = 392 LCL = 7 LCL = 0 UCL X 720 630 540 450 360 270 180 90 0 R m LCL UCL LCL 420 360 300 240 180 120 60 0 X Rm Who? When? EW EW EW EW EW EW EW EW MA EW EW EW EW EW EW EW MA EW EW EW EW EW EW EW EW EW 600 480 540 240 420 450 480 690 240 360 450 300 480 120 240 210 210 180 240 300 300 130