Consider the Following Data for Two Variables, X and Y

question 74

Essay

Consider the following data for two variables, x and y. $$\begin{array} { | c | c c c c c c c c c c | } \hline x & 7 & 10 & 3 & 5 & 3 & 10 & 4 & 14 & 5 & 8 \\\hline y & 35.0 & 28.5 & 45.0 & 45.0 & 55.0 & 25.0 & 37.5 & 27.5 & 30.0 & 27.5 \\\hline\end{array}$$ Use Excel to find the coefficient of determination. What does this statistic tell you about this simple linear model?

---

Definitions:

Hunting Capability

The ability or skill set an organism possesses to track, pursue, and capture prey for sustenance.

Neanderthals

An extinct species of human closely related to modern humans, living in Europe and parts of Asia until about 40,000 years ago.

Adaptive Evolution

Evolutionary changes that improve an organism's fit to its environment, driven by natural selection.

Language-Processing Centers

Regions in the brain responsible for understanding and producing language, including Broca's and Wernicke's areas.