Yes, but with a small enough number you might be able to find that people with blue eyes are paid more than people with brown eyes. You'd expect some level of r

Yes, but with a small enough number you might be able to find that people with blue eyes are paid more than people with brown eyes. You'd expect some level of random variation and such a small number makes it seem that it may really not have anything to do with their gender. Think of it this way. If you flipped a coin a large number of times and 51% of the times it came up heads would you assume the coin was biased or would you suspect that it could just be random variation?