单变量检验结果表明，净资产收益率与股价超额收益具有显著的正价值相关性，审计意见类型则弱之；
Single-variable test shows that excess earning of stock price has a high positive correlation with return ratio on net assets, but a weak correlation with audit opinion type.
数据处理方法包括单因素多变量方差分析、多因素线性回归分析和t检验。
The data were treated with univariate and multivariate analysis of variance, multiple linear regression analysis and t test.
实证部分主要包括多变量检验、单变量t检验、趋势图分析以及多元线性回归分析等。
Evidences include some of the major multi-variable tests, a single variable t tests, trend analysis and multiple linear regression analysis.
应用推荐