A person’s IQ (intelligence quotient) is a score derived from standardized tests designed to measure human intelligence and intellectual potential. IQ tests include questions that measure reasoning and problem-solving skills. The discovery that average IQs differ worldwide has been a focus of inquiry and controversy.
In practice there are but a handful of people with an IQ at or above 200 (the rarity of that is less that 1 in 4 billion - source ).
Even if we do take in account that the bottom of the IQ in live humans is in fact a bit higher than zero, because the extremes are so incredibly rare, the deviation of the mean from the median is in practice minuscule.
Technically, yes.
In practice there are but a handful of people with an IQ at or above 200 (the rarity of that is less that 1 in 4 billion - source ).
Even if we do take in account that the bottom of the IQ in live humans is in fact a bit higher than zero, because the extremes are so incredibly rare, the deviation of the mean from the median is in practice minuscule.
Your source was calculated using the NORMDIST function in Excel. Not from empirical data.
Here’s an actual list containing more than 2 people above 200
Opinion dressed up as fact. To give a counter example this study showed that there were substantial departures from normality in the distribution.