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1、x22ssObjectives of Statistics: data reduction Descriptive Statistics inferential measurement Inferential Statistics identification of relationshipsRegression, ANOVAStatisticsDescriptive StatisticsInferential StatisticsGraphical Presentations Numerical MeasuresChartsTablesLocationDispersionShapeParam
2、eter EstimationHypothesis TestingPoint EstimateInterval EstimateParametric MethodsNonparametric MethodsDescriptive StatisticsGraphical Presentations Numerical MeasuresChartsTablesDot PlotBox PlotHistogramStem & Leaf DiagramBar ChartTrend ChartFrequency DistributionLocationDispersionShapeMeanMedianMo
3、deQuartilesRangeStandard DeviationVarianceInterquartile RangeSkewnessKurtosis20162252015121044211769123842444324321QQxQ1 6 .0 01 6 .5 01 7 .0 01 7 .5 01 8 .0 01 8 .5 0S u p p lie r AS u p p lie r B Median MaximumMinimumQ1Q3a)c)b)0102030405090130170210250290Compressive Strength, xFrequency, f(x)04812
4、166585105125145165185205225245Compressive Strength, xFrequency, f(x)051015202580100120140160180200220240260280Compressive Strength, xFrequency, f(x)Sample Size = 100 unitsa) Bins = 5Width = 40b) Bins = 9Width = 20c) Bins = 18Width = 10Menu BarTool BarSession Window:commands and results appear here (
5、Ctrl + S)Data Window:worksheets appear here; darkbar indicates that this is theselected window(Ctrl + D)Data & Session WindowsMenu BarC1-T - Refer to Text (Qualitative) VariableC3-D - Refer to Date VariableC2 - Numeric (Quantitative) VariableChanges to Existing FontsChanges to Existing LinesChanges to Existing FillChanges to Existing DotsFor AdditionFonts/Lines or Other ShapesSub-menuClick anywhere inside theGraph to display the Sub-menuYou can edit you graph by double-click the graph.