
Is your A/B test win real, or just luck?
Your new page converts at 3.0% against 2.4%. Before you call it a win, look at the confidence interval. Here is how to read one, using a WHO study and the jewellery site from part one.
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Your new page converts at 3.0% against 2.4%. Before you call it a win, look at the confidence interval. Here is how to read one, using a WHO study and the jewellery site from part one.
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Normally if we can, we use probability. But when comparing data, we are talking about the odds ratio, not probabilities.
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What a UK web design agency typically costs, how long a build takes, the questions to ask before you sign and the red flags that cost you later.
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