Can Moral Disagreements Ever Be Resolved by Statistics?

Can moral disagreements ever be resolved by statistics? Can moral questions be decided by appealing to a moral authority? No, It is not clear that such an authority exists.

Can moral disagreements be resolved?

Today we're discussing an influential reply to a challenge to morality. The challenge is that moral disagreements are unresolvable by scientific means. Disputes in science can be settled through data confirming or disconfirming hypotheses. Yet, moral disputes cannot be resolved through scientific methods.

How would you know whether a moral disagreement was based on a basic difference in moral values or facts?

How would you know whether a moral disagreement was based on a basic difference in moral values or facts? As an example, use differences about the moral justifiability of capital punishment. When facts do not change the moral conclusions then they are based on moral values differences.