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4. Hurricane Fran The criteria of the linear regression line are defined. The Geometer’s Sketchpad geometric illustration is useful to showing the sum of the squares of the residuals. The Fran data is definitely not linear. Fitting this data with a line will show the usefulness of the residual plot. (Taken from the Algebra II Indicators from NCDPI.) Technology: Geometer’s Sketchpad web site, The WRAL website, Graphing calculator. |
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© 2002 Distance Learning Technologies The North Carolina School of Science and Mathematics 
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