对多媒体统计教学效果的认识 统计学是一门从事总体数量特征研究的方法论方面的应用科学。它主要讲述一系列统计分析方法，如时间数列分析、指数分析、相关与回归分析、参数估计与假设检验、主成份分析等。而这些方法的正确运用必须建立在充分占有大量统计数据的前提下，借用大 Cognition of multimedia statistical teaching effectiveness Statistics is a methodology applied in the study of the overall quantitative characteristics of applied science. It mainly describes a series of statistical analysis methods, such as time series analysis, index analysis, correlation and regression analysis, parameter estimation and hypothesis testing, principal component analysis. The correct use of these methods must be based on the full possession of a large number of statistical data under the premise of borrowing large