Explanatory variable: The variable that may explain or predict changes in the response variable; plotted on the x-axis.
How to apply it: Identify the explanatory variable before computing a regression — the choice affects the equation.
Course: AP Statistics · Unit: Exploring Two-Variable Data
Practice questions about Explanatory variable on AimFive — get rubric-based feedback showing exactly which points you earned.
AP and Advanced Placement are trademarks of College Board. AimFive is not affiliated with or endorsed by College Board.