Linear Regression Calculator

Calculate the linear regression line from your data points. Free, works in browser, and no registration required.

Data Points

Data Points

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Sample Data

Regression Results

Add data points and click "Calculate Linear Regression" to see results

Regression Chart

How to use Linear Regression Calculator

  1. Enter your X and Y data points into the provided fields.
  2. Select the 'Calculate Linear Regression' button to compute the regression line.
  3. View the resulting slope, intercept, and regression equation.
  4. Use the output to analyze or predict trends in your data.

Features

  • Calculates slope (m) and y-intercept (b) for the best-fit line.
  • Generates the linear regression equation in the form y = mx + b.
  • Processes data sets quickly for instant statistical analysis.
  • Accessible on any device with a web browser, no installation needed.
  • Provides a clear mathematical foundation for data-driven predictions.

Who Is This Tool For?

This tool is essential for students analyzing lab data, researchers identifying trends, and professionals making forecasts based on historical information.

Why Calculate Linear Regression?

Linear regression is a fundamental statistical method for modeling the relationship between variables, enabling trend analysis, prediction, and data-driven decision-making across scientific, business, and academic fields.

Frequently Asked Questions

Is this linear regression calculator free?

Are my data points uploaded to a server?

How do I use the calculator?

What statistical results does the calculator provide?

Can I use the results for my analysis?

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