::"Children of extraordinarly bright or athletic parents are, on average, not so extraordinary." Yes. But I think that they are on average better than children of very weak people. And this is enough to show that properties of children and their parents are not independent. If they were independent, a child of two athletes would have the same distribution as child of two physically feeble people. As another example, genetic diseases exist, and a child of ill parents has larger chances to be ill as well. | ::"Children of extraordinarly bright or athletic parents are, on average, not so extraordinary." Yes. But I think that they are on average better than children of very weak people. And this is enough to show that properties of children and their parents are not independent. If they were independent, a child of two athletes would have the same distribution as child of two physically feeble people. As another example, genetic diseases exist, and a child of ill parents has larger chances to be ill as well. |