statistics统计probability概率population总体sample样本randomsample随机样本discretedata离散数据continuousdata连续数据stemandleafdiagram茎叶图presentationofdata数据表达frequencytable频数表whiskerplot须状图frequencyhistogram频率直方图frequencypolygon频率折线图circulardiagram圆形图piechart餠状图groupeddata分组数据mid-intervalvalue组中点intervalwidth组宽upperandlowerintervalboundaries组上、下界cumulativefrequency累加频率mean平均数mode众数median中位数quartile四分位数interquartilerange四分位区间percentile百分位数variance方差standarddeviation标准差skewness偏斜correlationcoefficient相关系数regressionline回归线trial试验outcome结果equallylikelyoutcome等可能结果samplespace概率空间event事件complementaryevent互补事件independentevent独立事件combinedevent组合事件exclusiveevent互斥事件Venndiagram韦恩图Conditionalprobability条件概率Permutation排列Combination组合Probabilitydistribution概率分布Discreterandomvariable离散的随机变量Continuousrandomvariable连续的随机变量Probabilitydensityfunction概率密度函数Binomialdistribution二项分布Possiondistribution泊松分布Uniformdistribution均衡分布Geometricdistribution几何分布Hypergeometricdistribution超几何分布Expection期望Cumulativedistributionfuntion累积分布方程Normaldistribution正态分布Exponentialdistribution指数分布Standardizationofnormalvariables变量正态化Lineartransformationofasinglerandomvariable单个随机变量的线性变换Lineartransformationoftwoindependentrandomvariables两个独立随机变量的线性变换Distributionofthesamplemean样本平均分布Thecentrallimittheorem中心极限定理Confidenceinterval置信区间Significancetesing显著性检验Nullandalternativehypotheses简单假设和复合假设Significancelevel显著性水平Criticalregion临界区域Criticalvalue临界值One-tailedandtwo-tailedtest单边和双边检验Thechi-squareddistribution开方分布Degreesoffreedom自由度Goodnessoffit吻合度Contingencytable列联表AAbsolutevalue绝对值accept接受acceptablereegion接受域additivity可加性adjusted调整的alternativehypothesis对立假设analysis分析analysisofcovariance协方差分析analysisofvariance方差分析arithmeticmean算术平均数assoviation相关性assumption假设assumptionchecking假设检验availability有效度average均值Bbalanced平衡的band带宽barchart条形图bathtubcurve浴盆曲线beta-distribution贝塔分布betweengroups组间的bias偏倚binomialdistribution二项分布binomialtest二项检验Ccalculate计算case个案category类别centerofgravity重心centraltendency中心趋势chi-aquaredistribution卡方分布chi-aquaretest卡方检验classify分类clusteranalysis聚类分析coefficient系数coefficientofcorrelation相关分析collinearity共线性column列compare比较comparison对照components构成,分量compound复合的compsitehypothesis复合假设concomitantcariable共变量confidenceinterval置信区间consistency一致性constant常数continuousvariable连续变量controlcharts控制图correlation相关correspondenceanalysis对应分析covariance协方差covariancematrix协方差矩阵criticalpoint临界点criticalvalue临界植crosstab列联表cubic三次的,立方的cubicterm三次项curveestimation曲线估计