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Homework answers / question archive / Note to student: The exercises involving data in this and subsequent sections were designed to be solved using a computer software package
Note to student: The exercises involving data in this and subsequent sections were designed to be solved using a computer software package.
Methods
The estimated regression equation for a model involving two independent variables and 10 observations follows.
y^?=29.1270+.5906x1?+.4980x2?
Predict ywhen x1? =180and x2? =310.
Let's see the calculation ;
y^?= 29.1270 + .5906x1? + .4980x2?
x1 = 180
x2 = 310
y^ = 29.1270 + (.5906 * 180) + (.4980 * 310)
= 29.1270 + 106.308 + 154.38
= 289.815
