| APPLET | SOURCE | DESCRIPTION |
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| Correlation & Regression/ WISE Regression Applet | WISE (Web Interface for Statistics Education) | Shows changes in the regression line, errors, squared errors, r squared, and ANOVA table as users move points on a scatterplot. more |
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| Put Points | istics.net, (Marden) | Shows effects on the correlation, regression line and residuals as user adds or erases points. more |
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| Regression Applet | West | Shows effects on regression line as users place an additional point on a scatterplot. more |
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| Simple Best Fit Line | Wolfram Demonstrations Project | Shows effects on regression line as users move or omit one of six points on a scatterplot. Requires download of Mathematica Player as well as demo itself, good for classroom demonstration. more |
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| Simple Linear Regression | Interactive Business Statistics (Lind, Marchal, Wathen) | Users drag points on a scatterplot for one of two sample data sets as calculations of predictions, residuals and regression line are instantly updated. more |
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| Leverage | Dept of Statistics, Texas A&M University | Shows effects on regression line as users adjust location of two points (one with moderate X and one that is outlier in the X direction) to extreme values. more |
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| Influential Data Points | Seeing Statistics (McClelland) in Fundamental Statistics for the Behavioral Sciences (Howell) | Shows effects on regression line and correlation as users delete points. more |
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| The Effects of Outliers | Illuminations, Resources for Teaching Math | Users plot points on scatterplot and then place outliers to see the effect on the regression line. more |
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