The Following Table Represents the Amount of Monthly Data Handled $d$

Multiple Choice

The following table represents the amount of monthly data handled by MichNet, the University of Michigan's gateway to the Internet, sampled at six month intervals for the years 1993-1995. (The data is from the Michigan Daily, March 30, 1996, p.4.)

Let $d$ be the number of data packets handled monthly (in billions) , and $t$ be time in years since December, 1992. Find equations for the best fit exponential function and the best fit power function that model these data (you do not have to enter your equations) . By comparing their correlation coefficients, choose which model gives a better fit.

A) The exponential model
B) The power function model