Demonstrates how to find the line of best fit for a scatter plot. [1:17]

Paul Andersen shows you how to graph data by hand. He explains the required elements of a scatter plot with a best fit line. He shows you how to properly scale and label the axes.

Paul Andersen shows you how to create a scatter plot with a best fit line in Microsoft Excel. You can go here to download the data: http://www.bozemanscience.com/storage/sample%20data.xls

This lesson will demonstrate finding the least-squares line. It is 1 of 3 in the series titled "Finding the Least-squares Line." [7:13]