Briefly identify the following in words or equations as appropriate:
(a) Impure serial correlation
(b) Dominant variable
(c) Variance inflation factor
(d) Generalized least squares
(e) Given a calculated Durbin-Watson d statistic of 2.58, a d_L of 1.21, and a d_U of 1.55, what would you conclude?

Question

Quizplus · Accepted Answer

The Answer is (a) See Section 9.1.
(b) See Section 8.1.
(c) See Section 8.3.
(d) See Section 9.4.
(e) The answer depends on whether you encourage your students to use one-sided or two-sided tests. For a one-sided test, the correct answer is that we can reject the null hypothesis of positive serial correlation. For a two-sided test, the correct answer is that the test is inconclusive.

Briefly Identify the Following in Words or Equations as Appropriate