基本统计学 minitab(070811) 31页

基本統計學Minitab14操作李建棠Aug.2007ASQSSBB\nMinitab14\n盒鬚圖(Boxplot)Max.=2.79Q3=2.6125~X=2.51Q1=2.39Min.=2.22\nMinitab14\n直方圖(Histogram)\nMinitab14\n常態分配？ProbabilityPlotofStrengthNormal99Mean2.512StDev0.140795N30AD0.23490P-Value0.7748070605040Percent302010512.12.22.32.42.52.62.72.82.9Strength\nMinitab14\n敘述統計報告SummaryforStrengthAnderson-DarlingNormalityTestA-Squared0.23P-Value0.774Mean2.5120StDev0.1407Variance0.0198Skewness0.073477Kurtosis-0.657035N30Minimum2.22001stQuartile2.3900Median2.51003rdQuartile2.61252.242.402.562.72Maximum2.790095%ConfidenceIntervalforMean2.45952.564595%ConfidenceIntervalforMedian2.41462.587795%ConfidenceIntervalforStDev95%ConfidenceIntervals0.11210.1892MeanMedian2.402.452.502.552.60\nMinitab14\n散佈圖ScatterplotofGrmsvsStrength-15.04.54.0Grms3.53.02.202.252.302.352.40Strength-1\nMinitab14\n相關係數報告Correlations:Strength-1,GrmsPearsoncorrelationofStrength-1andGrms=0.982P-Value=0.000\nMinitab14\n回歸方程式FittedLinePlotGrms=-21.07+10.77Strength-1S0.1246185.0R-Sq96.4%R-Sq(adj)95.9%4.54.0Grms3.53.02.202.252.302.352.40Strength-1\nMinitab14\n回歸分析圖示FittedLinePlotGrms=-21.07+10.77Strength-15.5Regression95%CI95%PI5.0S0.124618R-Sq96.4%4.5R-Sq(adj)95.9%4.0Grms3.53.02.52.202.252.302.352.40Strength-1\n殘差與回歸值報告\nMinitab14\n回歸分析報告\nMinitab14\n焊錫強度與錫裂回歸分析殘差圖ResidualPlotsforGrmsNormalProbabilityPlotoftheResidualsResidualsVersustheFittedValues990.2900.1500.0PercentResidual10-0.11-0.2-0.30-0.150.000.150.303.03.54.04.55.0ResidualFittedValueHistogramoftheResidualsResidualsVersustheOrderoftheData30.20.120.0Frequency1Residual-0.10-0.2-0.10.00.10.212345678910ResidualObservationOrder\nMinitab14\n不良率？\nMinitab14\n變異信賴區間TestforEqualVariancesforA,KF-TestTestStatistic1.77AP-Value0.132Levene'sTestTestStatistic2.98P-Value0.089K0.080.100.120.140.160.180.2095%BonferroniConfidenceIntervalsforStDevsAK2.22.42.62.83.03.23.4Data\n變異檢定報告\nMinitab14\n兩母體均值檢定報告Two-SampleT-TestandCI:A,KTwo-sampleTforAvsKNMeanStDevSEMeanA302.5120.1410.026K303.1840.1060.019Difference=mu(A)-mu(K)Estimatefordifference:-0.67233395%upperboundfordifference:-0.618582T-Testofdifference=0(vs<):T-Value=-20.91P-Value=0.000DF=58BothusePooledStDev=0.1245\nMinitab14\n不良率檢定報告