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Unformatted text preview: The slope of the regression line is symbolized by ___.- b Prior to the prediction equation, we should calculate ___.- r obt The point at which the regression line crosses the Y-axis, also known as the Y-intercept, is symbolized by ___.- a If two variables are correlated, - prediction of one variable from another is reasonable. The regression line formula is ___.- Y’= bX + a The simplest way to place a regression line on a scatterplot is to- predict Y-values based on two X-values from the X-axis If Pearson’s r is -1.00, prediction will be- strong Multiple regression is used when we have- more than one predictor in an equation In the prediction equation, which symbol is not replaced with a value until we predict a value on Y?- X Which of the following is not needed when calculating error?-b...
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This note was uploaded on 03/11/2008 for the course EDPSY 101 taught by Professor Amlund,jeannet during the Fall '07 term at Penn State.
- Fall '07