The most difficult statistics riddles
A list of statistics related questions that are most often answered incorrectly in Global Quiz
53% of answers are correct (tanks quiz)
To estimate total tanks production. The allies found out, that the gearbox numbers fell in two unbroken sequences, so large production resulted in influx of large serial numbers. Today, the problem of estimating the maximum of a discrete uniform distribution from sampling without replacement, is known - in the English-speaking world - as the German tank problem.
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