The League of American Theatres and Producers, Inc., collects a variety of statistics for Broadway plays, such as gross revenue, playing time, and number of new productions. The following data show...

The League of American Theatres and Producers, Inc., collects a variety of statistics for Broadway plays, such as gross revenue, playing time, and number of new productions. The following data show the season attendance (in millions) for Broadway shows from 1990 to 2001 (The World Almanac 2002):





a. Plot the time series and comment on the appropriateness of a linear trend.
b. Develop the equation for the linear trend component for this time series.
c. What is the average increase in attendance per season?
d. Use the trend equation to forecast attendance for the 2001–2002season.