| 1. | An introduction to descriptive and inferential statistics , including measures of central tendency and dispersion , elementary probability , simple correlation and regression , tests of hypotheses , and nonparametric methods 统计学为?集、整理、陈示、解释资料,并可由样本的统计量推论母体母数,俾能在不确定情况下,做成决策的科学方法。 |