IB skill practice

Interpret regression slope and intercept

Connect regression coefficients to contextual prediction and rate meaning.

Paper 1, Paper 2 5 marks Difficulty 5

Interpret regression slope and intercept - technology-output use

A sports performance audit regression model has slope \(1.5\). Interpret the predicted change in \(y\) over an increase of 27 units in \(x\) by calculating the change. 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.