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Statistics Essay

131 words - 1 page

Continuous random variablemeasured (not counted)takes any value within a given interval一个随机变量在其区间内当能够取任何数值时所具有的分布。Continuous Probability DistributionThe distribution of a continuous random variableNo gaps within the intervalNormal DistributionBell-shapedSymmetricalMean=median=modeLocation is determined by the mean, μμ决定正态曲线的中心位置u变换:为了便于描述和应用,常将正态变量作数据转换。μ是正态分布的位置参数,描述正态分布的集中趋势位置。正态分布以X=μ为对称轴,左右完全对称。正态分布的均数、中位数、众数相同,均等于μ。Spread is determined by the standard deviation,...

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