Question
In a laboratory experiment, data were gathered on the life span (Y in months) of 33 rats, units of daily protein intake (X 1 ),
In a laboratory experiment, data were gathered on the life span (Y in months) of 33 rats, units of daily protein intake (X1), and whether or not agent X2 (a proposed life extending agent) was added to the rats diet (X2 = 0 if agent X2 was not added, and X2 = 1 if agent was added.) From the results of the experiment, the following regression model was developed.
Y=36+0.8X1X1-1.7X2X2
Also provided are SSR = 60 and SST = 180.The life expectancy of a rat that was given 2 units of agent X2 daily, but was not given any protein is
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Precalculus Enhanced With Graphing Utilities (Subscription)
Authors: Michael, Michael Sullivan III, Michael III Sullivan, III Sullivan
6th Edition
0321849108, 9780321849106
