Which one of the following estimation procedures should NOT be used when the observed variables are categorical?
A) maximum likelihood
B) robust weighted least squares
C) weighted least squares
D) unweighted least squares

Question

Quizplus · Accepted Answer

Although ML may be the most widely used estimation procedure, it is by far not the only from which to select. And in some cases, is not the appropriate estimation procedure to select. Recall that one of the assumptions when using ML is the distribution of the observed variables are multivariate normal and one of the conditions is that the observed variables are continuous. When these do not occur, other estimation procedures are more appropriate.

Which One of the Following Estimation Procedures Should NOT Be