STA 210B/ENV 251
Statistics and Data Analysis for the Biological Sciences

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Webout 1
Safe Drinking Water and Consumer Right-to-Know: Some Statistical Gauges
[MS Word] [Compressed MS Word] [HTML]
Note: the conversion to HTML loses some of the formating. Use Word document, if you can.

Webout 2
Does more time online cause depression?
[ABCNews] [Backup copy]
The journalist uses language that suggest a causal relationship. The researchers are careful to suggest only a predictive relationship between Net usage and depression. Is the journalist exagerating, or does this mean that students in this class would be less depressed if we were not using the Web to organize the course? How might one quantify depression or loneliness in such a study?

Here's direct information on the study. http://homenet.andrew.cmu.edu/progress/

Webout 3
Web usage survey and data
[Survey] [JMP Data, right-click and save link as webuse.jmp]
Try exploring this data.

Webout 4
Lung cancer mortality and smoking
[Data and story library]
Be sure to check out the data and the other stories.

Webout 5
Presidential support after release of Starr Report
[The Gallup Poll] [Gallup's Polling Methodology]
We will discuss in class.