This application allows you to calculate the straight line of ordinary least squares regression (OLS) in samples of small size.

After each value press the enter button . To get the results press the enter button with an empty value.

Use the C button to clear the value that you are entering at the moment. If you press C again the last value or pair of values which has already been entered it will be deleted.

Press the N button to begin to introduce a new sample.

Press the GRAPHIC button to get the graphic of OLS.

Press the data button to enter data.