Yes. And while I would GUESS that more people are born without, or lose arms- there are people with more than 2 arms. There’s also an important questions of: 1. Is it binary, yes you have an arm or no you don’t- whole numbers only, or are we assigning decimals like this person has 1.5 arms? 2. What are we counting as “an arm” or not, how is this scored? 3. Are we rounding? 4. What is our margin of error or where are we below a reporting threshold? The “average” could still work out to 2 arms depending on how we handle statistical relevance and the data.
Same with fingers, toes, legs, hands, eyes, ears, tongues, noses, etc. And I do count you having to have the whole appendage/item in question, otherwise you only partially possess the limb, like if you half a finger or a thumb or your leg down to above the knee or your arm down to the wrist. The galactic average for limbs like arms and legs, is probably a decimal number between 1-2, even counting folks who have more than two.
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