Answer: The arbitrator displayed bias and exceeded her authority.
Step-by-step explanation:
There is need for integrity and fairness when carrying out a job especially avoiding bias. It is also out of place and being unprofessional for an arbitrator or human resource to discriminate in decisions as regards employment; placing some on a better pay and position while another is not especially when they have the same criteria and experience for the job. Doing this is unethical and an exceed of authority.