SPSS第二次作業(yè)

1、精選優(yōu)質(zhì)文檔-傾情為你奉上1.SPSS規(guī)定：當樣本含量時，結(jié)果以Shapiro-Wilk為準。當樣本含量時，結(jié)果以K-S為準。正態(tài)性檢驗結(jié)果顯示,其中粵東對應(yīng)的Shapiro-Wilk檢驗P值為0.005，所以，粵東的數(shù)據(jù)分布不服從正態(tài)的。同理，粵西的數(shù)據(jù)也不服從正態(tài)分布。Case Processing Summary地區(qū)CasesValidMissingTotalNPercentNPercentNPercent降雨量粵東12100.0%0.0%12100.0%粵西12100.0%0.0%12100.0%Descriptives地區(qū)StatisticStd. Error降雨量粵東Mean161

2、7.85883.530295% Confidence Interval for MeanLower Bound1434.010Upper Bound1801.7075% Trimmed Mean1597.287Median1499.450Variance83727.544Std. Deviation289.3571Minimum1369.1Maximum2236.9Range867.8Interquartile Range449.7Skewness1.348.637Kurtosis.4871.232粵西Mean1851.433136.919195% Confidence Interval fo

3、r MeanLower Bound1550.076Upper Bound2152.7905% Trimmed Mean1855.265Median1922.800Variance.059Std. Deviation474.3017Minimum1222.6Maximum2411.3Range1188.7Interquartile Range926.9Skewness-.147.637Kurtosis-2.0071.232M-Estimators地區(qū)Huber's M-EstimatoraTukey's BiweightbHampel's M-EstimatorcAndr

4、ews' Waved降雨量粵東1506.2671464.4891485.2661464.489粵西1862.4581860.4691851.4331860.534a. The weighting constant is 1.339.b. The weighting constant is 4.685.c. The weighting constants are 1.700, 3.400, and 8.500d. The weighting constant is 1.340*pi.Extreme Values地區(qū)Case NumberValue降雨量粵東Highest132236.92

5、62040.93101947.9471593.6581517.4Lowest111369.1251409.03121409.64111409.7521481.3粵西Highest1142411.32182344.33222314.54132274.05232263.3Lowest1171222.62191266.43241372.44201392.65151510.2Tests of Normality地區(qū)Kolmogorov-SmirnovaShapiro-WilkStatisticdfSig.StatisticdfSig.降雨量粵東.30212.003.77512.005粵西.22412.

6、098.84912.036a. Lilliefors Significance Correction2.個案處理結(jié)果Case Processing SummaryCasesValidMissingTotalNPercentNPercentNPercent升學(xué) * 計數(shù)4100.0%0.0%4100.0%交叉表升學(xué) * 計數(shù) Crosstabulation計數(shù)Total16276131143升學(xué)0Count11002% within 升學(xué)50.0%50.0%.0%.0%100.0%升學(xué)Count00112% within 升學(xué).0%.0%50.0%50.0%100.0%TotalCount111

7、14% within 升學(xué)25.0%25.0%25.0%25.0%100.0%3不同性別學(xué)生之間成績分析，F(xiàn)統(tǒng)計量的Sig值為0.529大于0.10，所以不可否認方差相等的假設(shè)，第一行t檢驗的值為0.064小于0.10，所以在顯著性水平0.10下，認為該班高考不同性別學(xué)生成績無明顯差異。Group Statistics性別NMeanStd. DeviationStd. Error Mean高考數(shù)學(xué)成績男16126.8811.4542.863女16119.889.0182.254Independent Samples TestLevene's Test for Equality of V

8、ariancest-test for Equality of MeansFSig.tdfSig. (2-tailed)Mean DifferenceStd. Error Difference95% Confidence Interval of the DifferenceLower高考數(shù)學(xué)成績Equal variances assumed.407.5291.92130.0647.0003.644-.443Equal variances not assumed1.92128.434.0657.0003.644-.4605.描述性統(tǒng)計量Descriptive StatisticsNPercenti

9、les25th50th (Median)75th成績2838.250062.500078.5000國家281.252.503.75頻數(shù)表Frequencies國家A國B國C國D國成績> Median7700<= Median0077最后是檢驗統(tǒng)計量,可以得到卡方統(tǒng)計量為28.000,其對應(yīng)的P值小于0.05,所以拒絕原假設(shè),認為這四個國家的成績具有顯著的差異性.Test Statisticsb成績N28Median62.5000Chi-Square28.000adf3Asymp. Sig.000a. 8 cells (100.0%) have expected frequencie

10、s less than 5. The minimum expected cell frequency is 3.5.b. Grouping Variable: 國家6描述性的統(tǒng)計量Descriptive StatisticsNPercentiles25th50th (Median)75th喜愛程度804.25007.00008.7500飲料種類802.25004.50006.7500頻數(shù)表Frequencies飲料種類飲料1飲料2飲料3飲料4飲料5飲料6飲料7飲料8喜愛程度> Median105093105<= Median0510179105最后是檢驗統(tǒng)計量,可以得到卡方統(tǒng)計量為

11、43.275,其對應(yīng)的P值小于0.05 所以拒絕原假設(shè),即認為這八種飲料的顧客喜愛程度具有顯著的差異.Test Statisticsb喜愛程度N80Median7.0000Chi-Square43.275adf7Asymp. Sig.000a. 8 cells (50.0%) have expected frequencies less than 5. The minimum expected cell frequency is 4.1.b. Grouping Variable: 飲料種類7.描述性的統(tǒng)計量Descriptive StatisticsNMeanStd. DeviationMin

12、imumMaximum每加侖汽油行駛英里數(shù)1520.1472.227416.023.1游程檢驗結(jié)果顯示,每加侖汽油行駛英里數(shù)標志值的游程為5,由樣本計算的檢驗統(tǒng)計量Z為-1.597,P值為0.110,大于0.05,接受原假設(shè), 即認為這5種的差異不明顯。Runs Test每加侖汽油行駛英里數(shù)Test Valuea20.147Cases < Test Value7Cases >= Test Value8Total Cases15Number of Runs5Z-1.597Asymp. Sig. (2-tailed).110a. Mean8. K-S檢驗結(jié)果的KOS統(tǒng)計量為1.200，

13、對應(yīng)的P值為0.112大于0.05，所以接受原假設(shè)，認為這50名高二學(xué)生身高服從正態(tài)分布。Descriptive StatisticsNMeanStd. DeviationMinimumMaximum身高50169.726.993154181One-Sample Kolmogorov-Smirnov Test身高N50Normal Parametersa,bMean169.72Std. Deviation6.993Most Extreme DifferencesAbsolute.170Positive.078Negative-.170Kolmogorov-Smirnov Z1.200Asymp

14、. Sig. (2-tailed).112a. Test distribution is Normal.b. Calculated from data.9.有單因素方差分析檢驗不同包裝對飲料銷售水平的影響。Levene統(tǒng)計量取值為0.031，Sig取值為0.862，大于0.05，所以認為各組的方差相等。方差分析表顯示Sig取值為0.512，即假設(shè)成立，認為各組均值沒有差異。DescriptivesvolumeNMeanStd. DeviationStd. Error95% Confidence Interval for MeanMinimumMaximumLower BoundUpper Bo

15、und包裝a11034.000021.187006.6999218.843749.156310.0070.00包裝a21040.000018.856185.9628526.511153.488910.0070.00Total2037.000019.761744.4188627.751246.248810.0070.00Test of Homogeneity of VariancesvolumeLevene Statisticdf1df2Sig.031118.862ANOVAvolumeSum of SquaresdfMean SquareFSig.Between Groups180.00011

16、80.000.448.512Within Groups7240.00018402.222Total7420.00019由單因素方差分析檢驗不同口味對飲料銷售水平的影響。Levene統(tǒng)計量取值為0.015，Sig取值為0.904，大于0.05，所以認為各組的方差相等。方差分析表顯示Sig取值為0.009，即假設(shè)不成立，認為各組均值有差異。所以認為飲料口味對銷售水平影響更大。DescriptivesvolumeNMeanStd. DeviationStd. Error95% Confidence Interval for MeanMinimumMaximumLower BoundUpper Bound口味b11026.000016.465455.2068314.221337.778710.0050.00口味b21048.000016.865485.3333335.935260.064830.0070.00Total20