simExchange Got Their Numbers Wrong

NPD Group had published their sales number for video game consoles. But it seems that they have made a little mistake, the total hardware sales for the month is not 1,799,000, it is 2,149,900.

NPD February Sales:

• US Hardware in February 2008

  Title	Actual units	Expected units	% From Expected
  Nintendo DS	587,600	427,300	+37.75%
  Nintendo Wii	432,000	400,700	+7.81%
  PlayStation 2	351,800	--	--
  PLAYSTATION 3	280,800	269,900	+4.04%
  Xbox 360	254,600	249,200	+2.17%
  PlayStation Portable	243,100	255,000	-4.67%
  Total Hardware Units	1,799,000	1,602,100	+12.29%

NPD Numbers