This is the starter data for Lab 1. If you have Internet access, check out the U.S. Census Bureau's Web site for updated data, otherwise use the values here. The values below are taken from that Web site.

Estimated Quarterly U.S. Retail E-commerce Sales:

4th Quarter 1999 – 3rd Quarter 2003

(Data in billions of dollars, not adjusted for seasonal, holiday and trading-day differences, or price changes.)

Period Total Sales Total E-Commerce Sales
1999 4th Quarter 787362 5393
2000 1st Quarter 715102 5772
2000 2nd Quarter 775364 6250
2000 3rd Quarter 768559 7079
2000 4th Quarter 812667 9248
2001 1st Quarter 723710 8009
2001 2nd Quarter 801115 7904
2001 3rd Quarter 777882 7894
2001 4th Quarter 850608 10788
2002 1st Quarter 740020 9470
2002 2nd Quarter 818609 9761
2002 3rd Quarter 822125 10465
2002 4th Quarter 864653 13770
2003 1st Quarter 772185 11928
2003 2nd Quarter 858793 12464
2003 3rd Quarter 872506 13291