Nonparametric Methods ppt课件

  • 发布时间:2014-01-31
  • 课件大小:24 KB
  • 所属栏目:经管类
  • 课件格式:.rar(压缩解压).ppt(使用格式)
  • 课件等级:Nonparametric Methods ppt课件推荐等级为3星
  • 简略标题:Nonparametric Methods
  • 应用环境:多媒体教学
  • 制作使用:PowerPoint
  • 应用阶段:统计

Nonparametric Methods ppt课件介绍

Nonparametric Methods ppt课件内容预览:Differentiate between nonparametric and parametric hypothesis tests.Determine when a nonparametric test should be used instead of its parametric counterpart.Appropriately apply each of the nonparametric methods introduced.Chapter 14 KeyTermsNonparametric testsWilcoxon signed rank test:One samplePaired samplesWilcoxon rank sum test,two independent samplesKruskal-Wallis Test,three or more independent samplesFriedman test,randomized block designSign Test,paired samplesRuns test for randomnessLilliefors test for normalityNonparametricTestsAdvantages:pptFewer assumptions about the populationShapeVarianceValid for small samplesDefined over a range of variables,nominal and ordinal scales includedCalculations simpleDisadvantages:Sample data used less efficientlyPower of nonparametric analysis lowerPlaces greater reliance on statistical tables if computer statistical package or spreadsheet not being usedWilcoxon Signed Rank Test,OneSampleRequirements:Variable - Continuous dataScale - Interval or ratio scale of measurementThe Research Question (H1): Test the value of a single population median,m {1,>,,


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