Question

A student group investigates the relationship between iq and gpa, measured on a 12-point scale. they find the equation of the least-squares line to be gpa = –6 + 0.15*iq. along comes marilyn vos savant with an iq of 200. what does this regression say her gpa should be?

Answer 1

Gpa = -6 +0.15*200 = 24