3.60 ● The National Telecommunications and Information Administration published a report titled “Falling Through the Net: Toward Digital Inclusion” (U.S. Department of Commerce, October 2000) that included the following information on access to computers in the home:

Year Percentage of Households with a Computer 1985 8.2 1990 15.0 1994 22.8 1995 24.1 1998 36.6 1999 42.1 2000 51.0

a. Construct a time series plot for these data. Be careful—the observations are not equally spaced in time. The points in the plot should not be equally spaced along the x-axis.

b. Comment on any trend over time.