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Correlation and regression calculator

Enter two data sets and this calculator will find the equation of the regression line and corelation coefficient. The calculator will generate a step by step explanation along with the graphic representation of the data sets and regression line.

Correlation and Regression Calculator
Use data grit to input x and y values
Find the equation of the regression line
Find the corelation coefficient
Show me an explanation

How to use this calculator

Example 1:

Consider the following set of points: {(-3 , -4) , (2 , 3) , (7 , 11)}

a) Find the regression line for the given data points.

b) Plot the given points and the regression line.

Set up the form

Example 2:

The values of x and their corresponding values of y are shown in the table below:

$$ \begin{array}{c|ccccc} X & ~1~ & ~2~ & ~3~ & ~4~ & ~5 \\ Y & ~4~ & ~8~ & ~9~ & ~11~& ~16 \end{array} $$

a) Find the least square regression line in the form $ ~~y = a \cdot x + b $.

b) Plot the given points and the regression line.

Set up the form

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