Professor Pok

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I've found that students tend to have a hard time understanding the sampling distribution. So I came up with this activity. I bought a bag of 100 dice at Amazon for about $10.








In-class activity: - give students 2 or 3 dice - have students record the mean of 10 rolls (each roll is an event or a sample) - have students enter their means in a spreadsheet (I used Google Forms) - thus, if there are 20 students in a class, there will effectively be 200 "events" or samples
- use SPSS or some other program to show the collective data of the entire class
Then visit this appletor this applet for more simulations.