IB skill practice

Interpret correlation strength and direction

Use scatter plots and correlation values to describe association.

Paper 2 5 marks Difficulty 1

Interpret correlation strength and direction - correlation interpretation A6

A regression output gives correlation \(r=0.4\). Enter \(100r^{2}\), the the correct interpretation.

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.