# Constructing the Regression Line for a Bivariate Dataset

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The plot shows a population of 1000 bivariate data points with the population regression line shown in blue. The sample of red points produces the regression line shown in red. For this sample of points, the slope of the sample line overestimates the slope of the population line .

Contributed by: Todd Will (January 2024)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

One commonly used formula for the standard error is

.

Vary the values of , and to see that smaller values of and larger values of and reduce the standard error .

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