Electronics are being recycled more and more due to increased requirements of states and the availability of more companies doing the recycling. The data in the following table (and stored in E-Cycling) represent the tons of electronic items recycled from 1999 to 2007 (the last year for which data was available):
Year Recycled Amount
1999............................157
2000............................190
2001............................210
2002............................250
2003............................290
2004............................320
2005............................345
2006............................377
2007............................414
a. Plot the data.
b. Compute a linear trend forecasting equation and plot the trend line.
c. Compute a quadratic trend forecasting equation and plot the results.
d. Compute an exponential trend forecasting equation and plot the results.
e. Which model is the most appropriate?
f. Using the most appropriate model, forecast the tons of electronic items recycled in 2008.