spc統(tǒng)計分析方法介紹(參考版)
2025-02-22 14:47本頁面
【正文】 回歸分析7, 相關(guān)分析? 相關(guān)分析與回歸分析聯(lián)系– 相關(guān)系數(shù) (相關(guān)分析 )與相關(guān)指數(shù) (一元回歸分析 )計算結(jié)果一樣 。– 相關(guān)分析中的變量是 相互聯(lián)系的 ，回歸分析中 一個變量 (自變量 )由另一個變量 (因變量 )引起 。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 Power? 86 假設(shè)檢驗8, 勢 (power), 樣本大小，差異計算? MINITAB 應(yīng)用 (Difference 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? Size Power Difference? 30 假設(shè)檢驗ANOVA? 1，實例 Swage ball size optimize evaluation? 2，原理? 3， ANOVA in MINITABANOVA1， 實例 介紹? 例 Swage ball size optimize evaluation– 響應(yīng)變量 (Response): gramload– 因子 /水平 (Factor/level):1, swage ball size(79/80/81mil, 79/, 79/81/82mil, 79/)2, Heads（ HD2, HD3)– 試驗次數(shù) : 20*8=160– 平衡設(shè)計– 方差分析 (twoway)– MINITAB: Stat?ANOVA?ANOVA1， 實例 方差分析表Twoway ANOVA: Gramload versus Head, GroupAnalysis of Variance for GramloadSource DF SS MS F PHead 1 Group 3 Interaction 3 Error 152 Total 159 P，有顯著性影響。假設(shè)檢驗8, 勢 (power), 樣本大小，差異計算假設(shè)檢驗? 假設(shè)檢驗判別力 當(dāng)檢驗對象與原假設(shè)不同時，檢驗方法進(jìn)行正確判別的能力，又稱功效 (power) , 計算為 1β 。假設(shè)檢驗7，離散性數(shù)據(jù)相關(guān)
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