From last Friday:Read textbook pp.16-19then do p.20 #1-13

http://www.experiment-resources.com/correlation-and-causation.html

Correlation & Causation

Example A: ice cream sales and shark attack frequency are stronglycorrelated.

Example B: strong correlation exists between the number of cavities in elementary school children and their vocabulary size.

Comment on A: This is not because sharks start attacking in response to ice cream, but because the two variables exhibit a common response to the warm season.

Comment on B: No one advocates eating more candy to increaseknowledge though - these variables are both tied with age.

Correlation & Causation

Today:Read textbook pp.3-10then do p.11 #1, 2, 4, 9

Bar Graph Histogram

Pictograph