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:

$\begin{array}{cc}\hline \text {Number of Grunts }&\text { Age (days) }\\\hline 87 & 122 \\65 & 138 \\36 & 152 \\41 & 157 \\60 & 164 \\37 & 171 \\59 & 180 \\14 & 186 \\17 & 192 \\\hline\end{array}$

Find and interpret the value of r.