The paper puts forward covariance analysis model about teaching efficiency, introduces some calculation functions and methods on the point estimation and testing hypothesis about the model.
提出了教学效率的协方差分析分析模型,介绍了模型的参数估计及假设检验的计算公式和方法。
Linear model is a vital class of statistical model which involves regression model, variance analysis model, covariance analysis model and mixed model etc.