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Calculating how many A/B tests to run

Calculating how many A/B tests to run - Adwords Tutorial

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Calculating how many A/B tests to run

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- [Instructor] Running an A/B test on your creative is a waste of resources if that test is never going to get enough data to be statistically significant. You can calculate how much data you need to run tests and therefore figure out how many significant tests you can run every month. This is a test duration calculator. It's based off loosely the VWO A/B Test Statistical Significance Calculators. They have this and they have a test duration calculator as well. They also go into a lot of detail on how to calculate all this stuff. What are the mathematics behind it if you're interested. But if you just want to functional tool I've kind of repurposed the formulas here just to make it more useful for my own use cases. Okay, so daily budget is how much we're spending every day. These are all the different assumptions here on the side. We're spending $350 every day and we have an average CPM or cost per 1,000 impressions of…

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