Visual Description of Data ppt课件

发布时间:2014-01-31

课件大小:0.02 MB

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:Visual Description of Data ppt课件推荐等级为3星

简略标题:Visual Description of Data

应用环境:应用于多媒体教学

制作使用软件:PowerPoint

应用阶段:统计

Visual Description of Data ppt课件介绍及下载


Visual Description of Data ppt课件内容预览:CHAPTER2:Visual Description ofDataChapter 2- LearningObjectivesChapter 2- KeyTermsChapter 2- KeyTermsSturges’ruleHow to Construct a FrequencyDistributionHow to Construct aFrequency Distribution,cont.Converting to a Relative FrequencyDistributionForming a Cumulative Relative FrequencyDistributionForming a Cumulative Relative Frequency Distribution,cont.Example: Problem 2.53Problem 2.53- TheDataProblem 2.53-(a) DataArrayProblem 2.53-(b)The Stem-and-LeafDisplayProblem 2.53-ContinuedConstructing the FrequencyDistributionConstructing the FrequencyDistributionProblem 2.53-(c)(d)Problem 2.53-(e) TheHistogramProblem 2.53- The Relative FrequencyDistributionProblem 2.53-(e) The PercentagePolygonProblem 2.53- The Cumulative FrequencyDistributionProblem 2.53- The Cumulative Relative FrequencyDistributionProblem 2.53-(e) The Percentage Ogive (LessThan)The ScatterDiagramA scatter diagram is a two-dimensional plot of data representing values of two quantitative variables.x,the independent variable,on the horizontal axisy,the dependent variable,on the vertical axisFour ways in which two variables can be related:1. Direct 2. Inverse 3.Curvilinear4. No relationshipAn Example: Problem 2.38For 6local offices of a large tax preparation firm,the following data describe x =service revenues and y =expenses for supplies,freight,postage,etc.Draw a scatter diagram representing the data. Does there appear to be any relationship between the variables? If so,is the relationship direct or inverse?Problem 2.38,continuedThere appears to be a direct relationship betweenthe service revenue and the office expenses incurred.
课件关键字:Visual Description of Data ,Vi。
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