Despite the growth in digital entertainment, the nation's 400 amusement parks have managed to hold on to visitors, as the following data show:
![588_Growth in digital entertainment.png](https://secure.tutorsglobe.com/CMSImages/588_Growth in digital entertainment.png)
a. Plot the series. Does the linear trend model or the exponential trend model fit the series best?
b. Estimate both models. Verify your answer in part a by comparing the MSE of the models.
c. Given the model of best fit, make a forecast for visitors to amusement parks in 2008 and 2009.