This is a topic i dont feel i can answer, i dont like to discuss salary,its best you ask when you apply
We have a Salary scale already prepared with approved amounts given for each individual program.
In my opinion it would be better to direct the student to a resource that can determine that information more accurately. In some casses it may be the career services department, if they have placed a significant amount students in that field for which they can draw actual data from. In other cases job search websites may have information to give a student.
I'm not sure if ONET would be a good reference or not as well.
A low and high range would be appropriate if they were actual numbers from past students.