Measurement & regression
Linear regression
Fit a straight line through measured points — with the slope, its error and a graph.
Values changed since the last calculation. Press Calculate to update.
Step by step
Results
Final result
All quantities
X–Y data points
Enter at least 3 pairs. Rows with both fields empty are skipped.
#
xi
yi
ŷi
yi − ŷi
Values changed since the last calculation. Press Calculate Regression to update.
Step by step
Results
Slope with probable error
Graph
Experimental points
Best-fit line
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