Scatter Plot + Regression Maker

Added 2026-08-29

Create a scatter plot with least-squares regression line and report equation, r, r² and p-value.

✓ Runs locally in your browser✓ No account or dataset upload required✓ Effect sizes / uncertainty shown where appropriate

Paired X, Y valuesEnter one X,Y pair per line.

Regression equation

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r²

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Slope p-value

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Statistical output is a calculation aid. Check assumptions, study design and reporting requirements before drawing scientific conclusions.

Small time-saver of the dayCtrl + Y / Ctrl + Shift + ZCtrl + Y / Ctrl + Shift + Z: Redo an action after Undo

Use Ctrl + Y / Ctrl + Shift + Z to redo an action after Undo. A small habit that keeps keyboard-heavy work moving.

About this tool

Create a scatter plot with least-squares regression line and report equation, r, r² and p-value.

Common uses

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How it works

1Enter or paste the requested sample values, summary inputs or contingency data.
2Choose the method, confidence level or test options when available, then run the calculation.
3Review the estimate/test statistic together with p-value, confidence interval, effect size and method notes where available.

Does this statistics calculation upload my data?

No. Entered values are processed locally in your browser with JavaScript.

Should I interpret statistical significance by itself?

No. Review effect size, confidence intervals, study design, assumptions, sampling and multiplicity together with the p-value.