The table below shows the year and the number of households in a building that had high- speed broadband internet access.
11
16
23
33
42
47
Number of
Households
Year
2002 2003 2004 2005 2006 2007
For which interval of time was the average rate of change the smallest?
1 2002 - 2004
3) 2004 - 2006
2) 2003 - 2005
4) 2005 - 2007