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this post was submitted on 27 Jul 2024
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Median would be the more generally correct number to use, but apparently IQ (debatable as a proxy for intelligence...) is roughly normally distributed, so either is likely close enough.
Oh yeah, they normalize IQ every year, and 100 is always used as the median.
But thanks to the Flynn Effect, getting a 100 (the number they always choose for the middle) in 2024 means you're significantly smarter than someone who got a 100 in 1990.
So when Carlin said, "think of a person with average intelligence" he was calling to mind (to his 1990 audience) a person who was average in 1990 but would score [EDIT: I originally said 70s to 80s, but I was off by a lot. Such a person would actually score right around 90 points] today.
This is what happens when you take the lead out of gasoline.
A person would only drop a couple points over time. 80s, and especially 70s, would be significantly impaired.
Yeah, I ended up looking up the actual Flynn effect numbers AFTER leaving my comment, and had to edit because I was way off.
The word average is used to signify mean, median or mode freely, depending only on context. For example, "he's just an average Joe" is to say he's like most other men in his demographic. In that case average means mode. In Carlin's joke, average means median.