is there an agreement to arbitrate in this case and what type of agreement is this?

Learning Goal: I’m working on a law question and need an explanation and answer to help me learn.John and sam concluded a contract for the supply of some electronic products and agreed on all the terms of sale in terms of the quality of the products, the price and the time of delivery, and with regard to how to resolve disputes that could arise in the future, they did not agree to resolve the dispute through arbitration, but they referred to a previous contract between them that includes a condition arbitrationIn light of the above, is there an agreement to arbitrate in this case and what type of agreement is this?1 page please
Requirements: 1 page