The Table Below Shows the Gestation (In Days)and Average Longevity

question 29

Multiple Choice

The table below shows the gestation (in days) and average longevity (in years) for a number of different mammals: $$\begin{array} { l | c c } & \text { Gestation (days) } & \text { Average Longevity (years) } \\\hline \text { Black Bear } & 219 & 18 \\\hline \text { Cat (domestic) } & 63 & 12 \\\hline \text { Monkey (Rhesus) } & 166 & 15 \\\hline \text { Lion } & 100 & 15 \\\hline \text { Horse } & 330 & 20 \\\hline \text { Gorilla } & 258 & 20 \\\hline \text { Gray Squirrel } & 44 & 10\end{array}$$ The scatter plot and regression equation are shown below: The regression analysis of this data yields the following values: $$\begin{array} { | l | l | } \hline \text { Variable } & \text { Coefficient } \\\hline \text { Constant } & 9.90 \\\hline \text { Gestation } & 0.0345 \\\hline\end{array}$$ R2 = 0.9048 Use this model to predict the average longevity of an African elephant whose gestation is 660 days.

• A)32.7 years
• B)38.7 years
• C)41.9 years
• D)22.8 years
• E)51.2 years