Unformatted text preview: 8. outliers will overestimate r 9. if someone has an optimistic attitude it will make them more likely to develop good health a. if someone is in good health they are more likely to have an optimistic mood b. we are not saying one causes the other c. there are also third variables i. education, money, genetics, influence good health 10. illusory correlation a. the more attractive you are, the less intelligent you are b. see slide for more c. biased, based on expectations 11. regression is prediction 12. since r is not one there will be some error in the regression line, as r increases closer to 1 there is less error...
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 Spring '08
 Dicorcia
 Statistics, Correlation, Regression Analysis, Errors and residuals in statistics, good health, illusory correlation a.

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