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Searched for: Statistical Topic is Data Presentation -- Multivariate Quantitative Relationships -- Scatterplot
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View Resource Cartoon: A Fruitful Example

A cartoon suitable for use in teaching about scatterplots and correlation. The cartoon is number 388 from the webcomic series at xkcd.com created by Randall Munroe. Free to use in the classroom and on course web sites under a creative commons attribution-non-commercial 2.5 license.

http://www.causeweb.org/resources/fun/db.php?id=268
View Resource Star Library: Regression - Residuals - Why?

Residual plots and other diagnostics are important to deciding whether or not linear regression is appropriate for a set of data. Many students might believe that if the correlation coefficient is strong enough, these diagnostic checks are not important. The data set included in this activity was created to lure students into a situation that looks on the surface to be appropriate for the use of...

http://www.causeweb.org/repository/StarLibrary/activities/mi...
View Resource Regression by Eye

In this demonstration a scatterplot is displayed and you draw in a regression line by hand. You can then compare your line to the best least squares fit. You can also try to guess the value of Pearson's correlation coefficient.

http://www.ruf.rice.edu/~lane/stat_sim/reg_by_eye/index.html
View Resource Components of r

As described on the page itself: "The simulation shows a scatterplot of data from a bivariate distribution in which the relationship between the two variables is linear. You can change the "input" values of slope, standard error of the estimate, or standard deviation of X for this data sample, and see the effects of your change. "

http://www.ruf.rice.edu/~lane/stat_sim/comp_r/index.html
View Resource Scatterplot

This site gives a definition and an example of scatterplots. Topics include positive and negative association.

http://www.stat.yale.edu/Courses/1997-98/101/scatter.htm
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