sloth456 Posted December 19, 2008 Share Posted December 19, 2008 Hi, I'm trying to build a split tester tool that will compare the click through rate of 2 adverts and tell me how confident I can be there is a statistical difference between the 2. For example Ad 1 has a CTR of 1.97% Ad 2 has a CTR of 0.52% You can be 90% sure that the ads will have a differences in the long run. The significance figure above is just an example not actually calculated to be correct. I have no idea how to calculate statistical significant difference. Any help? Link to comment https://forums.phpfreaks.com/topic/137674-split-testing-tool/ Share on other sites More sharing options...
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