Curriculum placement
Algebra 1. This describes the skill, not a learner estimate.
Residuals and correlation
Interpret residuals association and limits of correlation
Problem types
- Residuals
- Correlation and residual plots
Builds on
Leads to
- Association is not causation
- Reading slope and intercept in context · Extend the idea
Residuals and correlation are used to judge a fitted line and to interpret its coefficients.
- Checking a model against evidence · Extend the idea
Residuals show whether a model fits the data, and model validation uses them to decide whether to keep or change a model.
Related skills
- Describing spread and outliers · Related idea
A residual is the deviation of a data point from a line, as a deviation is the distance of a data value from the mean.
Open the interactive map to explore lessons and skill connections.