Least Squares

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Site gives detailed information for constructing a least squares regression line.

This website provides graphical displays, an index of online calculators and summaries of main topis in statistics.

Very comprehensive list of statistics formulas.

Interactive applet that allows a student to plot points on a graph and see how an outlier affects the regression line of the data points.

Site has defintion and explanation of the least squares regression line as well as links to additional resources.

Least Squares