6sigmabb黑帶培訓(xùn)資料-trw_booster_wk2_06_doe4-全文預(yù)覽
【正文】 rmat. The default analysis checks for main effects only: General Linear Model Factor Type Levels Values Precoat fixed 2 Yes No Pressure fixed 5 2 4 5 7 9 Speed fixed 7 150 175 200 225 250 275 300 Analysis of Variance for Lubricat, using Adjusted SS for Tests Source DF Seq SS Adj SS Adj MS F P Precoat 1 Pressure 4 Speed 6 Error 58 Total 69 Unusual Observations for Lubricat Obs Lubricat Fit StDev Fit Residual St Resid 1 9 47 58 R denotes an observation with a large standardized residual. The effects of Precoat and Pressure are significant. Speed is borderline. Since there are no replicates error is estimated from the 2 and 3 factor interactions 129 Minitab Follow Along: Analyzing the Design, cont. Minitab Commands: Stat DOE Analyze Factorial Design… Terms 130 Minitab Follow Along: Analyzing the Design, cont. Minitab Analyzes the Design in the session window in ANOVA format. This analysis includes two factor interactions: General Linear Model Factor Type Levels Values Precoat fixed 2 Yes No Pressure fixed 5 2 4 5 7 9 Speed fixed 7 150 175 200 225 250 275 300 Analysis of Variance for Lubricat, using Adjusted SS for Tests Source DF Seq SS Adj SS Adj MS F P Precoat 1 Pressure 4 Speed 6 Precoat*Pressure 4 Precoat*Speed 6 Pressure*Speed 24 Error 24 Total 69 Unusual Observations for Lubricat Obs Lubricat Fit StDev Fit Residual St Resid 1 9 57 64 R denotes an observation with a large standardized residual. The effects of Precoat and Pressure are significant and there is a significant PrecoatPressure interaction. Speed even closer to being significant. Since there are no replicates error is 3 factor interactions 131 Minitab Follow Along: Analyzing the Design, cont. Minitab Commands Stat DOE Factorial Plots… Main Effects Setup... and Interaction Setup…
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