CAS Exam MAS-II Fall 2018, Question 11
Study guide: Exam MAS-II
You are given the following three statements regarding parameter estimates of Linear Mixed Models using maximum likelihood (ML) estimation and residual maximum likelihood (REML) estimation.
- I. ML estimates of the covariance parameters are biased.
- II. The variance of the ML estimates of the fixed effects are biased.
- III. The variance of the REML estimates of the fixed effects are unbiased.
Determine which of the preceding statements are true.
- A) None are 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)
Answer this question and see the worked solution