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Common Errors in Statistical Thinking
- 5. Student Satisfaction Data Excerpt ? Can you compare “apples to oranges” using this chart? Can you compare “apples to apples” using this chart?
- 8. Variables An aspect of someone or something that is free to vary – that is, different values are possible
- 12. An Interesting Correlation Sources: FBI Crime Statistics (http://www.fbi.gov/ucr/cius_04/documents/CIUS_2004_Section2.pdf) and USDA Dairy Statistics (http://usda.mannlib.cornell.edu/usda/nass/DairProd//2000s/2005/DairProd-02-04-2005.pdf)
- 14. Causation Causation has at least 3 requirements Correlation Temporal precedence Control (elimination) of other possible causes
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- r=~0.60