Comments on: Xbox 360 Walmart special creates huge surge in sales http://www.lazygamer.net/xbox-360/xbox-360-walmart-special-creates-huge-surge-in-sales/ The Latest Gaming News Sat, 11 Feb 2012 22:19:00 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: BHWhttp://www.lazygamer.net/xbox-360/xbox-360-walmart-special-creates-huge-surge-in-sales/comment-page-1/#comment-45659 BHW Tue, 10 Nov 2009 08:52:05 +0000 http://www.lazygamer.co.za/xbox-360/xbox-360-walmart-special-creates-huge-surge-in-sales/#comment-45659 NPD don't receive sales data from walmart - it does not mean they don't estimate the sales that they make though. Its not feasible to count every single sale - so they take a statistical sample and extrapolate the data based on that sample to come up with an accurate estimate.In this case it will affect NPD's accuracy as they no longer have a sample that is representative of the US sales demographic NPD don’t receive sales data from walmart – it does not mean they don’t estimate the sales that they make though. Its not feasible to count every single sale – so they take a statistical sample and extrapolate the data based on that sample to come up with an accurate estimate.

In this case it will affect NPD’s accuracy as they no longer have a sample that is representative of the US sales demographic

]]> By: eXphttp://www.lazygamer.net/xbox-360/xbox-360-walmart-special-creates-huge-surge-in-sales/comment-page-1/#comment-45652 eXp Tue, 10 Nov 2009 08:00:58 +0000 http://www.lazygamer.co.za/xbox-360/xbox-360-walmart-special-creates-huge-surge-in-sales/#comment-45652 ... wait. Why don't NPD count the sales? Surely a sale is a sale? … wait. Why don’t NPD count the sales? Surely a sale is a sale?

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