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ResourceSpotlight
In this activity, students will draw a scatter plot and a line. They will investigate the method of least squares by finding the residuals and the sum of the squares of the residuals. They will then test their line using the built-in linear regression model.
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Texas Instruments, Inc.
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ResourceSpotlight
In this activity, students will draw a scatter plot and a line. They will investigate the method of least squares by finding the residuals and the sum of the squares of the residuals. They will then test their line using the built-in linear regression model.
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Texas Instruments, Inc.
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Site contains several calculators evaluating several values in statistics including probabilties, t-test, ANOVA tests, least squares regression lines, etc.
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Vassar Stats
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This website provides graphical displays, an index of online calculators and summaries of main topis in statistics.
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Statistics to Use
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Very comprehensive list of statistics formulas.
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Stat Trek
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Site gives detailed information for constructing a least squares regression line.
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Stat Trek.com
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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.
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Illuminations NCTM
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Site contains explanation of how to find the correlation coefficient on your calculator and also talks about what the coefficient means.
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MathBits.com
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Site gives assistance with using a TI-83 to graph the residuals of a linear regression line.
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Mathbits.com
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Site has defintion and explanation of the least squares regression line as well as links to additional resources.
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Carlton College Statistics
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