Your question is Evaluate a Regression Model. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You have trained a regression model and need to explain whether its performance is good enough to use. The interviewer wants to hear how you would assess error, compare models, and decide if the model is reliable.
How would you evaluate a regression model?
Use a practical example such as predicting Pratt & Whitney engine shop visit turnaround time. The target is continuous, the output affects planning decisions, and both overprediction and underprediction have business cost.