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Is this another example that might be more clear: Another example would be if you want to take a sample of houses in the United States you could sort them by zip code and then sample every Xth house from the list. Because they are sorted by zip code you will be sure to have houses from all over the country. —Preceding unsigned comment added by 98.221.171.45 (talk) 02:42, 16 September 2008 (UTC)
I LOVE YOU, Smart contributors on Wikipedia with these very informative articles! They're helping me BIG time in exams! :D
Thanks, REALLY -- Omernos 00:26, 25 August 2006 (UTC)
I dispute the exclamation mark after "This is random sampling within a system!"
possible missing citation
editI'm not sure who wrote this example first, the one about the 8 houses on a street of 120. this website: http://www.coventry.ac.uk/ec/~nhunt/meths/system.html uses almost the exact same language word for word without citing wikipedia. also there is no citation of the above listed page in wikipedia. who is plagiarizing who? Phekylmadder (talk) 02:41, 8 February 2008 (UTC)