多元统计实验报告二

1、实验报告2班级学号 姓名开课学院商学院任课教师马艳梅成绩实验内容：实验2.1 熟悉One-Sample T Test功能实验 2.2 熟悉 Independent-Samples T Test 功能实验 2.3 熟悉 Paired-Samples T Test 功能实验2.4熟悉One-Way ANOVA功能运用实验 2.5 熟悉 General Factorial 功能 实验要求：写出实验步骤根据实验内容撰写分析报告教师评语：教师签名：年 月 日实验报告：实验2.1（1）选用Employee data.sav文件中的变量，Analyze中选择Compare Means再选择 One-Samp

2、le T Test,将 salary 作为 Test 因变量，test 值分别取 34000、35000、34419、24000， 作均值检Test取34000商 employee data - SPSS Data Editorczi |File Edit View Data Transform Analyze Graphs Utilities Window Help由于概率P=0.5930.05，故接受原假设，说明样本salary均值与假设无显著性差异。Test取35000时，实验结果如下图所示:P=0.4500.05，故接受原假设。说明样本salary均值与假设的35000无显著性差别。T

3、est取34419时，实验结果如下图所示：可知，P=0.9990.05，故接受原假设。说明样本salary均值与假设的34419无显著性差别。Test取24000时，实验结果如下图所示：可知，p=0.000 将 salary 作为 Test 因变量， test值取34419，所得实验数据结果如下图所示：匐 employee data - SPSS Data Editor洛旧I昌I嘎I狼| m桥i隹i留|垂|同冷giFile Edit View Insert Format Analyze Graphs Utilities Window Help咨旧I昌回割皂 囿Q|到回 Bl +|二|口|隼I剧

4、更I5135.U00jLlxlPata View X Variable 诳已&72010/10/2陪 Outputs - SPSS ViewerFile Edit View Data Transform Analyze Graphs Utilities Window Help$31.200$36.150日Q Output白回T-TestTitleNotesOjie-Ssjuple StatisticsOjie-Ssjicple Test09/17/61 02/24/64 01/28/弘NMeanStd.DeviationStd. ErrorMeanCurrent Salary60$57,520

5、.83$22,241.982$2,871.428Test Value = 34419tdf气i商 (2-tailed)Mean Difference95% Confidence Interval of the DifferenceLowerUpperCurrent Salary1.08059.284$3,101.83-$2,643.88$8,847.55Test$14,25。$14,25。3 nnr可知，P=0.2840.05,故接受原假设。说明随机抽样的样本均值salary与假设的34419没有 显著性差异。实验 22 熟悉 Independent-Samples T Test 功能Anal

6、yze 选择 Compare Means 选择 Independent-Samples T 七明心选用 Employee data.sav 文件中的变量，将 Current Salary 作为 Test Variables, gender 作 Grouping Variable,作两 样本比较T检验，选择define groups,M个group分别定义为0、1Define Groups.Options$11.550胳 Outputl - SPSS ViewerFile Edit View Insert Format Analyze Graphs Utilities Window Help07

7、/01/4211/08/6603/19/54画 employee data - SPSS Data EditorFile Edit View Data Transform Analyze Graphs Utilities Window Help03/15/65*02/19/63*date02/03/5206/23/58$57,000$40,200salbegm$27,。$18,750Employee Code id Date of Birth bdate Educational Level (yeaEmployment Category | Beginning Salary salb ，淼 M

8、onths since Hire jobtPrevious Experience (n 令 Minority ClassificationQ I Independent-Samples T Test：S Current Salary salary1216121?121?1?191 T T T T T T 3$26.250 $38,850 $21/50 $24,000 $16,950 $21 ?150 $31,060 $60,375$15,000$12/50$11/100$9,000$9,000$12,600$27,480国9|昌|e|国间 /皇 Bl +ll 田|口|日 Q (Mput白回T-

9、Test T-Test.置 Title“墙Notes甫| Group Statistics面 Independent Samples TestGroup StatisticsGenderNMeanStd.DeviationStcl. ErrorMeanCurrent Salary0258$41,441.78$19.-499.214$1,213.9681216$2ti.031.92$7_.558.021$514.258Independent Samples TestLevenes Test for Equality of Variancest-test for Equality of Means

10、FSig.tdr(2-tailed)MeanDifferenceStd. ErrorDifference95% Confidence Interval of the DifferenceLowerUpperCurrent Salary Equal variances assumedEcp.ial variances not assumed119.669.00010.94511.6SS472344.262.000.000$15,409.86$15409.86J b 407.906JE318.400J12643.32 $12816.73$18176.40$18003.00实验 23 熟悉 Pair

11、ed-Samples T Test 功能录入数据圈思考与缘习- SPSS Data EditorFile Edit View Data Transform Analyze Graphs Utilities Window Helpm g|c|国i富通i唯属i量匿悟w8 : conEijiTier8consumerbeforeafterva.rvarva11562246331144345553668911518866Analyze 选择 Compare Means 再选择 Paired-Samples T test, Paired-variables 里面将 before与after选入其中，单击

12、ok实验结果如下图所示:File Edit View Insert Format Analyze Graphs Utilities Window Help|H|s|a| ai| | 回轮旧|屈|El回 Output-晅| T-TestMeanNStd.DeviationStd. Error MeanPairBEFORE5.3881.593.5651AFTER6.0081.852.655 T-TestPaired Samples Statistics固 Title嵯Notes 璃j Faired Saaiiples Statistics 圈Paired Ssniples CoiTelations

13、:演Paired Samples TestPaired Samples CorrelationsNCorrelationSiP：.Pair 1 BEFORE & AFTER8.724.042Paired Samples TestPaired DifferencestdrSig.(2-tailed)MeanStd.DeviationStd. ErrorMean95% Confidence Interval of the DifferenceLowerUpperPair 1BEFORE - AFTER-631.302.460-1.71.46-1.3577.217实验24熟悉OneWay ANOVA

14、功能运用Analyze 选择 Compare Means 再选择 OneWay ANOVA,选用 Tomato.sav 文件中的变量，将height作为dependent variable, fert作为factor,作单因素方差分析fg| Tomato - SPSS Data Editor _ -*! 口 间*File Edit View Data Transform Analyze Graphs Utilities Window HelpM HJ昼耍| c|c| g|俭|也司鱼| 口|垂|国 |1 : fert1fertheightinitialvarvarvarvar11743I One

15、-Way ANOVA2168431775OK42762：$ mmai i-ieignt ymtiaijucpciiucill LI52804in磅 Final Height heightPaste6387373911ResetCancelHelpba ctor：q | | 炒 renmzer penjPost Hoc. 1 Options.13? | Data ViewX Variable View /I 0.01KB/S T 0.03KB/S4 OnewayANOVAFinal HeightSum of SquaresdfMean SquareFSig.Between Groups310.0

16、002155.00010.690.025Within Groups58.000414.500Total368.0006由实验结果可知，P=0.0250.05，则知肥料的不同造成的最终高度之间有显著性差异。即不 同的肥料使得最终高度不一样。实验2.5熟悉Univariate功能录入数据如下图筐思考与练习6 - SPSS Data EditorFile Edit View Data Transform Analyze Graphs Utilities Window Help园口僵期g|c|国1洞|?|到唯|图屋I垂庸I用*31 :路段y时段路段varvarvarvarvarva.r136.6011

17、234.1011337.2011435.6011538.DO11630.6001127.9001832.4001931.80011027.30011128.10121229.90121332.20121431.50121530.10121627.60025| |Data View X Variab.e View /|SPSS Processor is readyAnalyze 选择 General Linear Model 再选择 Univariate，将 Analyze 选入到“dependengt variable ”框里，因子“地区”和“品牌”选入到“ fixed factor”框中，单

18、击“model”按钮，弹出“univariate model”对话框，选择“custom”。在小营选项中选 择主效应选项“main effects”，将“地区”和“品牌”两个因子选入model 框中，如下图 所示： Univariate Analysis of VarianceBetween-Subjects FactorsN时临 015115路段 110210310Tests of Between-Subjects EffectsDepmn&mnt Variable： YSourceType III Sum of SquaresdfMean SquareFSig.Corrected Model46S.S15a3156.27241.2