201. Calculating activation rate for AB-test variation

We’ve already calculated the cohort sizes for each variation of longer_onboarding_201803 AB-test. It’s the very first step of the AB-test funnel. In this exercise we’ll make the second one. 🚀

👉 Your task is to the calculate soft activation rate for variations of longer_onboarding_201803 AB-test. Submit activation rate of the control variation as the answer.

💡 Just a reminder: soft activation rate is when a user added a book to the library, not necessarily started reading it.

⚠ As usual, submit only the integer part of the answer. For example, when...

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Anatoli Makarevich, author of SQL Habit About SQL Habit

Hi, it’s Anatoli, the author of SQL Habit. 👋

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