Uploaded by
ziazan
10 SLIDES
285 VUES
100LIKES
Unit 4: Correlation and Causation
DESCRIPTION
Unit 4: Correlation and Causation. “Covariance formula” for r (FPP p.134). r = ((avg of xy) - x y)) /( σ x σ y ) Numerator is the “covariance of x and y” . SAT scores Average scores from school districts in Cayuga, Madison, and Oswego counties for the 1998-99 school year.
Download
1 / 10
Télécharger la présentation 
Unit 4: Correlation and Causation
An Image/Link below is provided (as is) to download presentation
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.
Content is provided to you AS IS for your information and personal use only.
Download presentation by click this link.
While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
During download, if you can't get a presentation, the file might be deleted by the publisher.
E N D
Presentation Transcript
“Covariance formula” for r (FPP p.134) r = ((avg of xy) -xy)) /( σxσy ) Numerator is the “covariance of x and y”
SAT scores Average scores from school districts in Cayuga, Madison, and Oswego counties for the 1998-99 school year Verbal / Math r = 0.770
More Related