this post was submitted on 21 Sep 2023
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About 50% of people are below average
This cracks me up because it is often said with such confidence, but it is just wrong.
If you have 10 people, 8 have an intelligence score of 1, 1 has a score of 5 and 1 has a score of 10. The average is 2.3 which means that 80% of the people are below average.
The median is the only thing that is going to guarantee 50%.
Yes, that statement is made under the assumption of large sample sizes (where the central limit theorem applies)