《医学统计学》 S

sample样本sample average样本均数sample size样本含量sampling抽样sampling error抽样误差sampling statistics样本统计量sampling survay抽样调查scaller diagram散点图schedule of survey调查表semi-logarithmic chart半对数线图semi-measursement data半计量资料semi-guartile range四分位数间距sensitivity灵敏度sex ratio性比例sign test符号检验significance显著性,意义significance level显著性水平significance test显著性检验significant difference差别显著simple random sampling单纯随机抽样simple table简单表size of sample样本含量skewness偏态slope斜率sorting data整理资料sorting table整理表sources of variation变异来源square deviation方差standard deviation(SD)标准差standard error (SE)标准误standard error of estimate标准估计误差standard error of the mean均数的标准误standardization标准化standardized rate标化率standardized normal　distribution标准正态分布statistic统计量statistics统计学statistical induction统计图statistical inference统计归纳statistical map统计推断statistical method统计地图statistical survey统计方法statistical table统计调查statistical test统计表statistical treatment统计检验stratified sampling统计处理stochastic variable分层抽样sum of cross products of随机变量deviation from mean离均差积和sum of ranks秩和sum of sguares of deviation　from mean离均差平方和superior limit上限survival rate生存率symmetry对称(性)systematic error系统误差systematic sampling机械抽样