ANSWR.ppt

Asian Commodity Management Hong Kong Office SPC Application Workshop THE DOCUMENT COMPANY XEROX Constructing a Histogram - Practice Session Plot a histogram based on the following data: HISTOGRAM 9.9 9.8 10.2 9.9 9.3 9.0 10.0 9.5 9.6 10.3 9.5 9.9 9.9 9.3 9.8 10.1 10.7 10.2 9.5 9.7 9.7 9.4 9.6 9.5 10.4 10.2 10.2 10.1 9.8 9.3 9.2 9.7 9.4 10.6 10.1 9.7 9.89 9.3 9.8 9.4 9.9 10.1 10.3 9.9 9.7 9.8 9.5 9.5 9.7 9.9 9.6 9.3 10.1 9.7 10.3 9.9 9.7 9.8 9.4 10.1 10.1 10.1 9.2 10.2 9.6 9.6 9.8 10.0 9.8 9.9 9.8 9.6 10.0 10.2 9.8 10.0 9.7 9.5 9.9 9.9 10.2 10.3 9.8 9.3 10.0 9.8 9.8 9.7 10.0 9.7 9.6 10.1 10.0 9.8 9.5 9.5 9.6 10.3 10.1 9.5 10.0 9.7 9.7 10.7 9.8 9.6 10.7 9.9 9.4 9.7 9.8 9.6 9.3 10.0 9.7 10.7 快袖剁值察察克逝娶腰僳撼碳化宛口悬瑰备柔娘优臆侩戊筛蒂蚤炮膀蚂玫ANSWERANSWER Constructing a Histogram - Practice Session (Con’d) Number of data points, n = 116 Number of interval (or class), k = 10 Lowest data, Xmin = 9.0 Highest data, Xmax = 10.7 Class width, H = (Xmax - Xmin) / k = 0.17 Y 0.2 HISTOGRAM 浪着各侥喇吗万绩酉盔腐鲁碧飞圭镐距灼升起潞选胆贬圾贮涝肮诅剧亡颠ANSWERANSWER Constructing a Histogram - Practice Session (Con’d) HISTOGRAM 枣忙吁瘤栽馒继颤佬稻细混叔溜身凑挡城渠衅莽豺畅找团蕉晤余菱喇沦邯ANSWERANSWER Constructing a Histogram - Practice Session (Con’d) Frequency Histogram Plot Thickness, mm HISTOGRAM 30 20 10 9.00 9.40 9.80 10.20 10.60 刘犀据可嚏秀飞陶霄掣敏暇蝗拄寝蒸销莱碱丢遵蘑氨谩纂驹模仍惩漾诵靴ANSWERANSWER Histogram s = 0.34 x = 9.82 Given Specification: 9+/-2.0mm LSL= 7.0 , USL = 11.0 Cp = (USL - LSL) /6s = 1.96 Cpk (Upper) = (USL - x) /3s = 1.16 Cpk (Lower) = ( x - LSL) /3s = 2.76 Cpk = 1.16 Is process capable? (Yes / No) Using thew histogram generated: 涕榴风筒淆咱搜漾榆昂编棒斗授岁删宦骆稗臃待妆禁锗劲苫呀牵握塌超摹ANSWERANSWER Control Charts Case Study Process : Closure Department Product : Tablets Variable : Removal Torque Specifications : LSL = 12N-m USL = 19N-m Unit of Measures : Newton-meter (N-m) Constructing 8 -R Charts - Practice Session 续苑靶蝴锡棺娟棘整早荒胯襟达壮料餐辅悍姿乔弦悉肪躲颁签紊暖援廊衷ANSWERANSWER Control Charts Constructing 8 -R Charts - Practice Session (Con’d) Date 12/1 13/1