CAS Exam MAS-II Fall 2019, Question 15
Study guide: Exam MAS-II
You are given the following statements about a Linear Mixed Model and Marginal Model implied by that Linear Mixed Model:
I. When scoring the observations in the modeling dataset, both models will yield the same conditional predicted values. II. Even if the variance-covariance matrix for the marginal residual errors in the Implied Marginal Model is nonpositive-definite, you may still be able to fit the Linear Mixed Model directly. III. The interpretation of the covariance parameters is the same between both models.
Determine which of the proceeding statements are true.
- A) None of I, II, or III is true
- B) I and II only
- C) I and III only
- D) II and III only
- E) The answer is not given by (A), (B), (C), or (D)
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