Sample Question: Post Composer Drop

Try to solve this question to test your understanding of the material.

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Problem

Let’s say that the Facebook composer, the posting tool, dropped from 3% posts per user last month to 2.5% post per user today.

How would we investigate what happened?

Let’s say the drop is in photo posts. What would we investigate now?

Try answering this on your own before continuing. Use the hints below if you are stuck.

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