What problem does this illustrate?

exams A00-240 A00-240 exam 0 Comments

An analyst investigates Region (A, B, or C) as an input variable in a logistic regression model. The analyst discovers that the probability of purchasing a certain item when Region = A is 1.

What problem does this illustrate?
A . Collinearity
B . Influential observations
C . Quasi-complete separation
D . Problems that arise due to missing values

Answer: C