Consider an increase in the size of the test used to examine a hypothesis from 5% to 10%. Which one of the following would be an implication?

Trong hồi quy 3 biến, hàm hồi quy không phù hợp với trường hợp nào trong các trường hợp sau?

Problem identification research is undertaken to:

Cho hàm hồi quy mẫu với hệ số xác định R2 =0,98699, TSS=10286,7025

Which of the following would probably NOT be a potential “cure” for non-normal residuals?

Cho hàm hồi quy với ESS=560, RSS = 202 từ đó tìm được R2, kết quả nào đúng trong các kết quả sau:

Ta có mẫu số liệu sau đây:

Lập mô hình hồi quy:

Hai biến Y và X có quan hệ hàm số nếu:

Which of the following would NOT be a potential remedy for the problem of multicollinearity between regressors?

Hàm hồi quy 3 biến là:

Which of the following is the most accurate definition of the term “the OLS estimator”?

If a residual series is negatively autocorrelated, which one of the following is the most likely value of the Durbin Watson statistic?

Executive summary should involve all of the following, except:

Ý nghĩa kinh tế của  β₂ > 0 là:

Công thức RSS là:

The order of integration:

Under the five extended least squares assumptions, the homoskedasticity-only tdistribution in this chapter:

What would typically be the shape of the news impact curve for a series that exactly followed a GARCH (1,1) process?

The type I error associated with testing a hypothesis is equal to:

If a regression equation contains an irrelevant variable, the parameter estimates will be

Consider the following picture and suggest the model from the following list that best characterises the process: