Interpret residual plots - diagnostic reading
In an finance desk regression, an observed value is 58 and the fitted model predicts 55. Calculate the residual using observed minus predicted. Confirm the method before entering the value. Enter the requested value and choose the interpretation that matches the result.
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.