Hi,
If you were to apply science to your evaluation of an ad group in Google AdWords, how would determine if you have enough data to estimate its performance?
If you have ready Scientific Advertising by Claude C. Hopkins, he used 1000 as a good number to pull statistics from. But you can do fine with a few hundred in many cases.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
