population mean 統計
▫敘述統計(descriptivestatistics)的主要目的.在於利用統計圖表與數值方法來...3SinglePopulationMean.▫σKnown-從一常態母體抽出一組樣本x1,x2,…,xn ...,,總體均值(populationmean)又叫做總體的數學期望或簡稱期望,是描述隨機變量取值平均狀況的數字特徵。包括...
統計學:數值描述技巧(Numerical Descriptive Techniques)
- population
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- population density
- world religion statistics
- Pew research center religion population
2011年9月12日—中心位置量數(MeasuresofCentralLocation).算數平均數(ArithmeticMean,Average,orMean).PopulationMeanμ=∑Ni=1xiNμ=∑i=1NxiN
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