In a Study of Feeding Behavior, Zoologists Recorded the Number

Essay

In a study of feeding behavior, zoologists recorded the number of grunts of a warthog
feeding by a lake in the 15 minute period following the addition of food. The data showing
the number of grunts and and the age of the warthog (in days)are listed below: $$\begin{array}{l}\begin{array} { c c } \hline \text { Number of Grunts } & \text { Age (days) } \\\hline 83 & 118 \\61 & 134 \\32 & 148 \\37 & 153 \\56 & 160 \\33 & 167 \\55 & 176 \\10 & 182 \\13 & 188 \\\hline\end{array}\\\text { Find and interpret the value of } r ^ { 2 } \text {. }\end{array}$$