The figure illustrates how net sales of Wal-Mart Stores, Inc., have grown from 2002 through 2008. Use the midpoint formula to estimate the net sales of Wal-Mart Stores, Inc., in 2005. How does your result compare to the reported value of $282 billion?

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Wal-Mart Stores, Inc. Net sales (in $ billions) 350 375 300 250 204 200 ............. 150 100 9 50 2002 2003 2004 2005 2006 2007 2008 Year Net sales ($ billions)