http://www.publicagenda.org/pages/best-estimates-guide-sample-size-and-margin-er...

		sukuriant on Oct 10, 2011 \| parent \| context \| favorite \| on: Netflix kills Qwikster http://www.publicagenda.org/pages/best-estimates-guide-sampl... 100,000 is overkill. 1,000 is reasonably sufficient.