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Unformatted text preview: change units Z scores Zx = X-X Zy= Y-Y Sx Sy If we have two quantitative variables with fairly linear association we can measure the association by the correlation coefficient r If r is greater than 0 association is positive r >0 If r is less than 0 association is negative r<0 The closer r is to 1 or -1 the more linear it is If r is close to 0 there is no association (Ditto # 5 pink sheet )...
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This note was uploaded on 04/13/2008 for the course AMAT 108 taught by Professor Sutphin during the Fall '07 term at SUNY Albany.
- Fall '07