A **residual** is the difference between an observed value and a predicted value in a regression model. It is calculated as:

Residual = Observed value – Predicted value

This calculator finds the residuals for each observation in a simple linear regression model.

Simply enter a list of values for a predictor variable and a response variable in the boxes below, then click the “Calculate” button:

**Predictor values:**

**Response values:**

**Linear Regression Equation:**

ลท = 5.6631 + (1.4802)*x

**List of Residuals:**

-0.143

-3.104

1.896

-0.064

1.975

-0.906

1.133

-0.787