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Title: If an estimated regression line has a Y-intercept of –7.5 and a slope of 2.5, then when X = 3, the ... Post by: Stevbo on Aug 29, 2016 If an estimated regression line has a Y-intercept of –7.5 and a slope of 2.5, then when X = 3, the actual value of Y is:
A.0 B.10 C.unknown D.5 Title: Re: If an estimated regression line has a Y-intercept of –7.5 and a slope of 2.5, then when X = 3, ... Post by: padre on Aug 31, 2016 y = mx + b
y = (2.5)x + (-7.5) y = (2.5)*3 -7.5 y = 7.5 -7.5 y = 0 |