The name of this statement that was prepared by the Midwest flight attendants is: Submission Agreement
Submission Agreement is a singular case which the complainant pushes forward as the main case that they want to be settled.
A submission agreement was prepared by the Midwest Flight attendants. Their singular grievance was that they were treated unfairly.
So, they submitted a Submission Agreement to the arbitration hearing.
Learn more about arbitration here:
https://brainly.com/question/4779318