spc統(tǒng)計分析方法介紹-wenkub
2023-03-11 14:47:23 本頁面
【正文】 分布形狀– BoxCox變換 Y?Yλ– (Path: Stat?control charts?BoxCox transformation…)假設(shè)檢驗6，合格率的假設(shè)檢驗? 類型– 一批產(chǎn)品合格率是否小于 P％– 二批產(chǎn)品合格率是否相等? 例– 1，從生產(chǎn)產(chǎn)品中抽出 2023進(jìn)行檢查， 52不合格，合格率是否小于 98％？– 2，從一條生產(chǎn)線抽出 1500產(chǎn)品檢查， 17不合格；從另一條生產(chǎn)線抽出 1300產(chǎn)品檢查，25不合格；它們的合格率是否一樣？假設(shè)檢驗6，合格率的假設(shè)檢驗? Proportion test in MINITABProportion test for one groupProportion parison between two groups假設(shè)檢驗6，合格率的假設(shè)檢驗? 例 1 (Proportion test for one group)輸入檢查結(jié)果輸入檢驗對比合格率選擇假設(shè)類型假設(shè)檢驗6，合格率的假設(shè)檢驗? Test and CI for One Proportion? Test of p = vs p ? Exact? Sample X N Sample p % Upper Bound PValue? 1 1948 2023 例 1 (Proportion test for one group)P, 判斷結(jié)果合格率小于 假設(shè)檢驗6，合格率的假設(shè)檢驗? 例 2 (Proportion parison between two groups)假設(shè)檢驗6，合格率的假設(shè)檢驗? 例 2 (Proportion parison between two groups)Test and CI for Two ProportionsSample X N Sample p1 1483 1500 2 1275 1300 Estimate for p(1) p(2): 95% CI for p(1) p(2): (, )Test for p(1) p(2) = 0 (vs not = 0): Z = PValue = P, 判斷結(jié)果合格率相等。假設(shè)檢驗7，離散性數(shù)據(jù)相關(guān)性檢驗? 例 缺陷嚴(yán)重度（數(shù)量）與加工速度關(guān)系? MINITAB: stat?tables?chisquare test…? P，兩個變量間有強的相關(guān)性。假設(shè)檢驗8, 勢 (power), 樣本大小，差異計算? Power and Sample Size? 2Sample t Test? Testing mean 1 = mean 2 (versus not =)? Calculating power for mean 1 = mean 2 + difference? Alpha = Sigma = 1? Sample? Difference Size Power? 30 ? MINITAB 應(yīng)用 (Power value in two sample ttest)假設(shè)檢驗8, 勢 (power), 樣本大小，差異計算? MINITAB 應(yīng)用 (Sample size in two sample ttest)? Power and Sample Size? 2Sample t Test? Testing mean 1 = mean 2 (versus not =)? Calculating power for mean 1 = mean 2 + difference? Alpha = Sigma = 1? Sample Target Actual? Difference Size Power Po
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