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Exhibit 16-4 In a Laboratory Experiment, Data Were Gathered on the Life

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Exhibit 16-4
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. Exhibit 16-4 In a laboratory experiment, data were gathered on the life span (Y in months) of 33 rats, units of daily protein intake (X<sub>1</sub>) , and whether or not agent X<sub>2</sub> (a proposed life extending agent) was added to the rats diet (X<sub>2</sub> = 0 if agent X<sub>2</sub> was not added, and X<sub>2</sub> = 1 if agent was added.) From the results of the experiment, the following regression model was developed. Also provided are SSR = 60 and SST = 180. -Refer to Exhibit 16-4. The multiple coefficient of determination is A) 0.2 B) 0.5 C) 0.333 D) 5 Also provided are SSR = 60 and SST = 180.
-Refer to Exhibit 16-4. The multiple coefficient of determination is

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