Linear Regression Calculator
Enter paired x and y values to get the least-squares line, the correlation coefficient and the residuals. Drag any point on the scatter plot and watch the line and r change.
What you can do
- The least-squares line, r, r squared and a p-value for the correlation
- Drag points on the scatter plot, or click to add one
- Residuals in a table and a plot
- Predictions from the line, with a warning when you extrapolate
- Working through Sxx, Syy and Sxy