统计学复试专业词汇汇总population 总体sampling unit 抽样单元sample 样本observed value 观测值descriptive statistics 描述性统计量random sample 随机样本simple random sample 简单随机样本statistics 统计量order statistic 次序统计量sample range 样本极差mid-range 中程数estimator 估计量sample median 样本中位数sample moment of order k k阶样本矩sample mean 样本均值average 平均数arithmetic mean 算数平均值sample variance 样本方差sample standard deviation 样本标准差sample coefficient of variation 样本变异系数standardized sample random variable 标准化样本随机变量sample coefficient of skewness （歪斜）样本偏度系数sample coefficient of kurtosis (峰态) 样本峰度系数sample covariance 样本协方差sample correclation coefficient 样本相关系数standard error 标准误差interval estimator 区间估计statistical tolerance interval 统计容忍区间statistical tolerance limit 统计容忍限confidence interval 置信区间one-sided confidence interval 单侧置信区间prediction interval 预测区间estimate 估计值error of estimation 估计误差bias 偏倚unbiased estimator 无偏估计量maximum likelihood estimator 极大似然估计量estimation 估计maximum likelihood estimation 极大似然估计likelihood function 似然函数profile likelihood funtion 剖面函数hypothesis 假设null hypothesis 原假设alternative hypothesis 备择假设simple hypothesis 简单假设composite hypothesis 复合假设significance level 显著性水平type I error 第一类错误type II error 第二类错误statistical test 统计检验significance test 显著性检验p-value p值power of a test 检验功效power curve 功效曲线test statistic 检验统计量graphical descriptive statistics 图形描述性统计量numerical descriptive statistics 数值描述性统计量classes 类（组）class 类class 组class limits; class boundaries 组限mid-point of class 组中值class width 组距frequency 频数frequency distribution 频数分布histogram 直方图bar chart 条形图cumulative frequency 累积频数relative frequency 频率cumulative relative frequency 累积频率sample space 样本空间event 事件complementary event 对立事件independent events 独立事件probability [of an event A] [事件A的]概率conditional probability 条件概率distribution function [of a random variable X] [随机变量X的]分布函数family of distributions 分布族parameter 参数random variable 随机变量probability distribution 概率分布distribution 分布expectation 期望p-quantile; p-fractile p分位数median 中位数quartile 四分位数univariate probability distribution 一维概率分布univariate distribution 一维分布multivariate probability distribution 多维概率分布multivariate distribution 多维分布marginal probability distrubition 边缘概率分布marginal distribution 边缘分布conditional probability distribution 条件概率分布conditional distribution 条件分布regression curve 回归曲线regression surface 回归曲面discrete probability distribution 离散概率分布discrete distribution 离散分布continuous probability distribution 连续概率分布continuous distribution 连续分布probability [mass] function 概率函数mode of probability [mass] function 概率函数的众数probability density function 概率密度函数mode of probability density function 概率密度函数的众数discrete random variable 离散随机变量continuous random variable 连续随机变量centred probability distribution 中心化概率分布centred random variable 中心化随机变量standardized probability distribution 标准化概率分布standardized random variable 标准化随机变量moment of order r r阶[原点]矩means 均值moment of order r = 1 一阶矩mean 均值variance 方差standard deviation 标准差coefficient of variation 变异系数coefficient of skewness 偏度系数coefficient of kurtosis 峰度系数joint moment of order r and s (r,s)阶联合[原点]矩joint central moment of order r and s (r,s)阶联合中心矩covariance 协方差correlation coefficient 相关系数multinomial distribution 多项分布binomial distribution 二项分布Poisson distribution 泊松分布hypergeometric distibution 超几何分布negative binomial distribution 负二项分布normal distribution, Gaussian distribution 正态分布standard normal distribution, standard Gaussian distribution 标准正态分布lognormal distribution 对数正态分布t distribution; Student's distribution t分布degrees of freedom 自由度F distribution F分布gamma distribution 伽玛分布, Γ分布chi-squared distribution 卡方分布,χ2分布exponential distribution 指数分布beta distribution 贝塔分布,β分布uniform distribution, rectangular distribution 均匀分布type I value distribution; Gumbel distribution I型极值分布type II value distribution; Gumbel distribution II型极值分布Weibull distribution 威布尔分布type III value distribution; Gumbel distribution III型极值分布multivariate normal distribution 多维正态分布bivariate normal distribution 二维正态分布standard bivariate normal distribution 标准二维正态分布sampling distribution 抽样分布probability space 概率空间。