I never knew the source – probably less reliable than this one – but long ago I heard that Joe DiMaggio and Perry Como and maybe even Sinatra were in the double-digit zone. It always bugged me.
Isn’t half the population in the double-digit zone by definition? Shrewdness and street smarts may be correlated to IQ. Or may not. IQ works a lot better for saying how well you’ll do in school than for anything else.
I’d bet lots of money that most people have never been formally tested to get an IQ score that is meaningfully comparable to anybody else’s for these purposes. Real IQ tests take hours to administer. I’m not sure that Army IQ tests are the same as those for the general population either.
I’d say that any IQ score you’ve ever heard about for a celebrity is BS.
Wiki says Ali was initially refused by Armed Forces due to abysmal spelling so NDP is probably right about the dyslexia. Assuming the 78 and its source are both correct.
Maybe it’s missing a digit. All the others on the page are allegedly high IQs, and he’s the only one with a low IQ listed. It seems out of place. Perhaps it should be 178.
I went to the page in the OP’s link, then clicked on list no. 4, and saw Copernicus listed with an IQ of 160. Go Copernicus! Not bad for a 16th century dude.