CompTIA DY0-001 Exam - Topic 5 Question 15 Discussion

Actual exam question for CompTIA's DY0-001 exam

Question #: 15
Topic #: 5

A data scientist built several models that perform about the same but vary in the number of features. Which of the following models should the data scientist recommend for production according to Occam's razor?

AThe model with the fewest features and highest performance

BThe model with the fewest features and the lowest performance

CThe model with the most features and the lowest performance

DThe model with the most features and the highest performance

Show Suggested Answer

Suggested Answer: A

According to Occam's razor, when models perform equivalently, you choose the simplest one - in this case, the model that achieves the needed performance with the fewest features.

by Rolf at Mar 08, 2026, 08:01 PM

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Joni

3 days ago

Wait, why would we pick a lower performance model?

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Casandra

8 days ago

Totally agree, simplicity is key!

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Milly

13 days ago

A) is the best choice! Fewer features = simpler model.

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Deeanna

18 days ago

I’m confused about whether performance trumps simplicity in this case. I guess I’d lean towards A, but I’m not 100% confident.

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Eden

24 days ago

I practiced a question like this, and I feel like the answer has to be the simplest model that still performs well. So, A seems right?

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Dorothy

29 days ago

I'm not entirely sure, but I remember something about balancing performance and complexity. Could it be the one with the fewest features, even if it's not the best performer?

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Virgina

1 month ago

I think Occam's razor suggests we should go for simplicity, so maybe the model with the fewest features and highest performance?

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