Choose model by smaller mean absolute error
Model A has mean absolute error \(5.8\); Model B has mean absolute error \(4.9\). Enter \(1\) for Model A or \(2\) for Model B.
Worked practice: result and interpretation
Calculate the requested result first, then choose the interpretation that follows from it.
Write a full answer
Now write the response in full, in your own words — this is what the exam asks for. The AI marks it on the same moves you built above (focus, evidence, technique, judgement) and gives feedback on reasoning, evidence, and expression.