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Least Squares Regression Line Calculator — Free Online Tool
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Least Squares Regression Line Calculator

Linear Regression & Line of Best Fit Solver

Statistics Guidelines: Enter the $X$ (Independent) and $Y$ (Dependent) data values separated by commas below to compute the line of best fit ($y = mx + b$). Both datasets must have the exact same number of data points.
Data Points

Calculation Results

⚠️ For educational and statistics reference purposes only. Verify critical data analysis independently.

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