<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> A decision tree is a decision support tool that uses a tree - like graph or model of decisions and their possible consequences, including chance event outcomes, resource costs, and utility . It is one way to display an algorithm that only contains conditional control statements . </P> <P> Decision trees are commonly used in operations research, specifically in decision analysis, to help identify a strategy most likely to reach a goal, but are also a popular tool in machine learning . </P>

A graph of decisions and their possible consequences is known as a(n)