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【正文】 Statistical control: X bar and R charts X bar and S charts Other types of charts Nonstatistical control: Periodic status reviews Other type of Statistical control: Bar charts， Pie charts Pareto charts 高標(biāo)準(zhǔn)化 高生產(chǎn)力 2020/7/5 The Six Sigma Revolution 5 The five steps to statistical control charting ? step1－ Collect data in order of chronological sequence ? step2－ Calculate subgroup averages and subgroup ranges ? step3－ Calculate the control limits ? step4－ Plot subgroup averages and subgroup ranges on the control chart ? step5－ Analyze, interpret, and utilize the chart 2020/7/5 The Six Sigma Revolution 6 Documentation ? Process owner必須記錄控制階段的所有改善活動(dòng) ? 避免太瑣碎的記錄，那會(huì)使改善失焦 ? 太多太重的記錄也會(huì)使改善失去動(dòng)力 2020/7/5 The Six Sigma Revolution 7 Response plans－ the last action item of DMAIC ? Response plan tableshould be map, measures, spec. and targets, data collection methods, control methods, process improve
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