Question
he polynomial regression model of degree r is given by Yi?=?0?+?1?Xi?+?2?Xi2?+?+?r?Xir?+ui?. (a) Interpret the coefficient ?1? in a linear regression (r=1) : Yi?=?0?+?1?Xi?+ui? and in
he polynomial regression model of degree r is given by Yi?=?0?+?1?Xi?+?2?Xi2?+?+?r?Xir?+ui?. (a) Interpret the coefficient ?1? in a linear regression (r=1) : Yi?=?0?+?1?Xi?+ui? and in a quadratic regression (r=2) : Yi?=?0?+?1?Xi?+?2?Xi2?+ui?.
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A First Course In Probability
Authors: Sheldon Ross
10th Edition
0134753119, 978-0134753119
