Mathematics, 25.02.2020 03:43, kiannadgarnica

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+0.8X1-1.7X2 SSR=60 SST=180

Predict the value of the life expectancy of a rat that was given 3 units of protein daily, and who had 2 agents of X2 added to the rats?

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In a laboratory experiment, data were gathered on the life span (Y in months) of 33 rats, units of d...