一、E(Y)的置信区间 二、Y的置信区间

一、拟合优度检验 二、方程的显著性检验(F检验) 三、变量的显著性检验（t检验） 四、参数的置信区间

Some Terminology o In the simple linear regression model where y=Bo+ Bx+ u, we typically refer to y as the a Dependent variable, or a Left-Hand Side Variable. or Explained variable, or Regressand

Why study econometrics? Rare in economics(and many other areas without labs! ) to have experimental data Need to use nonexperimental. or observational data to make inferences eImportant to be able to apply economic theory to real world data Economics 20- Prof. Anderson

21 Drop I from the title Review of Statistics I 28 Footnote #2: Degrees of belief 46 Question 2.4 (b) (ii) E3 + A3 instead of E2 + A3

14.1 自相关的性质 14.2 自相关的后果 14.3 自相关的诊断 14.4 补救措施 14.5 如何估计 自相关系数 14.6 总结

一、异方差性 对多元线性回归模型:

要点：掌握一元线性回归模型中的基本概念、方法。区分 总体回归函数和样本回归函数。掌握普通最小二乘法的思 想和计算方法

4.1 正态分布 4.2 t分布 4.3 概率分布 4.4 F分布 4.5 总结

Ch. 21 Univariate Unit Root process 1 Introduction Consider OLS estimation of a AR(1)process, Yt= pYt-1+ut where ut w ii d (0, 0), and Yo=0. The OLS estimator of p is given by and we also have