According to the National Association of Home Builders, the average size of a home in 1950 was 983 ft2 . The average size increased to 1500 ft2 in 1970, 2080 ft2 in 1990; and 2330 ft2 in 2003 (San Luis Obispo Tribune, October 16, 2005).
a. Construct a time series plot that shows how the average size of a home has changed over time.
b. If the trend of the time series plot continued, what would you predict the average home size to have been in 2010?