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**Cofeeman** · 08-18-2009, 12:21 PM

Not being a statistician, I have no idea if the sample size and number of cities sampled combined is enough to be demonstrably significant. Certainly the scientists conducting the test appeared to think it covered their needs.

What should the number of samples have been, to be considered valid?

08-18-2009, 12:21 PM	#13
Cofeeman Join Date Oct 2005 Posts 595 Senior Member	Not being a statistician, I have no idea if the sample size and number of cities sampled combined is enough to be demonstrably significant. Certainly the scientists conducting the test appeared to think it covered their needs. What should the number of samples have been, to be considered valid?
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