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Basic Question 0 of 11
There are typically three types of samples:
II. validation sample
III. test sample
B. II and III
C. None of them. It is the production sample.
I. training sample
II. validation sample
III. test sample
The term "out-of-sample" refers to:
A. III
B. II and III
C. None of them. It is the production sample.
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I just wanted to share the good news that I passed CFA Level I!!! Thank you for your help - I think the online question bank helped cut the clutter and made a positive difference.

Edward Liu
Learning Outcome Statements
describe overfitting and identify methods of addressing it;
CFA® 2025 Level II Curriculum, Volume 1, Module 6.