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Upgrade to ProYou are a Senior Experimentation Analyst at Netflix. Netflix's Product Analytics team is about to ship an A/B test on watch-engagement across plan tiers. Before the test launches, you need to compute — using only the existing historical data — how many sessions per variant are required to detect a 5% Minimum Detectable Effect (MDE) at 80% power, and flag whether the current observed sample is already adequate.
You are a Senior Experimentation Analyst at Netflix. Netflix's Product Analytics team is about to ship an A/B test on watch-engagement across plan tiers. Before the test launches, you need to compute — using only the existing historical data — how many sessions per variant are required to detect a 5% Minimum Detectable Effect (MDE) at 80% power, and flag whether the current observed sample is already adequate.