求问计量经济学和统计学问题

1。 Hypothesis Testing (confidence and prediction intervals) -useful in judgement of whether the variables are significant；2。 Maximum Likelihood Estimation -another kind of estimation method that can be used in almost all sorts of econometrics models； 3。 Multicollinearity, Heteroscedasticity and Autocorrelation -three common phenomena that violate the classical linear hypothesis； 4。 Time Series Regression -useful in regressions which use time series data 这种题目大答案并不固定,只是检验一下初学者对这些名词的掌握程度而已。