In a simulation of $30$ mobile computer networks, the average speed, pause time, and number of

neighbors were measured. A "neighbor" is a computer within the transmission range of another.

The data are presented in the following table.

Click here to download this data set.

Using a best subsets software package, find the two models with the highest $R^2$ value for each model size

from one to five varlables. Compute $C_p$ and adjusted $R^2$ for each model.