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Old 01-24-2007, 11:14 AM
Quercus Quercus is offline
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Default Need to calculate confidence for an A/B test with excel

For each of the two test cases in an A/B test, I know the number of visitors to the page and the number of those visitors which took a specific action.

Is there an easy way in Excel to calculate how much confidence I have in the results?
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