What is the Pearson Correlation Calculator?

The Pearson Correlation Calculator is a statistical tool that measures the strength and direction of the linear relationship between two variables. By entering X and Y values, the calculator computes the Pearson correlation coefficient (r), which ranges from -1 to 1. Positive values indicate a positive correlation, negative values indicate a negative correlation, and values near zero indicate little or no correlation. It also provides a detailed calculation table showing deviations from the mean and the product of differences for each pair of values.

How to Use:

1. Enter X Values (comma-separated): Input the independent variable data points, e.g., 1, 2, 3, 4, 5.
2. Enter Y Values (comma-separated): Input the dependent variable data points corresponding to each X, e.g., 2, 4, 5, 4, 5.
3. Click “Calculate”: The calculator computes the Pearson correlation coefficient (r) and interprets its strength and direction.
4. Review Result: The output displays the coefficient, interpretation (e.g., strong positive correlation), and a detailed table showing X, Y, deviations from means, and their products, allowing a step-by-step verification of the calculation.