IB skill practice

Use power regression models

Use a power regression equation to calculate a contextual prediction.

Paper 1, Paper 2 5 marks Difficulty 3

Use power regression models - method selection

A sports analytics team power model is \(y=1.6x^{1.3}\). Predict \(y\) when \(x=5\). 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.