AP Stat – Notes for Class #19 (Ch 7, Scatterplots)

Here are the slides from class #19 (Chapter 7, scatterplots), along with links to the computer activity for correlation coefficient.

• Notes/Powerpoint: 7 Notes - Scatterplots STUDENT

For the correlation computer activity, here are the 3 sites for the correlation half-worksheet.

1. Johnson and Kuby ACK! This one's not working... SKIP "Johnson and Kuby"
2. WH Freeman
3. Rossman Chance

And here is the half-sheet worksheet:

• 7 Worksheet - Correlation Applets.pdf
  *if you print this out, you will get 2 half-sheets - you only need one half!

Finally, here's a humorous read about correlation and causation (or lack thereof):

• 7 Reasons why you shouldn't confuse correlation with causation1

1. Of course, you should know not to mis-use the word correlation: unless both variables are numerical and the relationship between them is LINEAR, use the more general word "association". [↩]