eli5: why do people have similar cognitive biases about numbers?

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Why do so many of us prefer our tv volumes to be multiples of 5? Why is there positive bias towards multiples of 5 and 2 in general? Why is there a negative bias towards odd numbers? Like when we try to come up with random numbers we mostly come up with odd numbers. Maths is a concept thats purely created by humans rather than being some natural phenomenon so why do such biases exist?

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Anonymous 0 Comments

According to this online study that isn’t true when it comes to pick favorite numbers:

https://www.scientificamerican.com/article/most-popular-numbers-grapes-of-math/

Multiples of 5 are actually rare.

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