Fit and compare regression models - exam scenario
Case B8. In this AI HL exam-style task, compare the model output with the observed data and justify the selected model quantity. Enter the requested numerical value and choose the interpretation that matches the context.
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.