Rolling Dice

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In this demonstration, students can play around with rolling dice to see a sampling distribution at various sample size n. With CODAP files, download them to your computer, then open the local file in CODAP. This should take 15–30 minutes depending on how proficient your students are with CODAP.

R-squared explained

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In this demonstration, students can play around with a regression line to see its residuals change. GeoGebra will automatically show the calculation of r-squared. This should take 10–15 minutes.