Daily practice websites/platforms for Stats

Hi all,

There are a dozen websites and platforms to learn and practice SQL, R, and Python on a daily basis. SQLZoo, Mode, Hackerrank, etc. I'm looking for similar spots to practice stats, one that comes with their built-in datasets, and a gazillion of challenging questions. I'm guessing some coding is required to do the actual calculation, or even an Excel environment would suffice, but I'm looking for the same type of challenges. For example:

'Here is a table with …

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