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Linear Regression Calculator
Compute least-squares regression line (y = mx + b), R², and standard error of the estimate for paired (x, y) data.
MATHCompute least-squares regression line (y = mx + b), R², and standard error of the estimate for paired (x, y) data.
Detailed instructions, formula notes, and US-context guidance shown in the calculator above.
Disclaimer: Estimate only. Consult a qualified professional for decisions with major financial, legal, or health consequences.
Linear Regression Calculator
Compute the least-squares regression line (y = mx + b), R², and standard error of the estimate from paired (x, y) data.
Regression Line
y = 2.0071x − 0.0071
Slope (m)2.0071
Intercept (b)-0.0071
R²0.9993
Standard error of estimate0.1371
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Frequently Asked Questions
What is the Linear Regression Calculator for?
Compute least-squares regression line (y = mx + b), R², and standard error of the estimate for paired (x, y) data.
How do I use the Linear Regression Calculator?
Detailed instructions, formula notes, and US-context guidance shown in the calculator above.
How accurate are my linear regression results?
Estimate only. Consult a qualified professional for decisions with major financial, legal, or health consequences.
Is the Linear Regression Calculator free to use?
Yes - every calculator on WhichCalc is completely free with no signup, no usage limits, and no tracking on the calculation itself. Results display instantly in your browser and your inputs are never sent to a server. Bookmark the page if you use this calculator regularly.