[Gradebook] "Message Students Who..." Between Grades Option

Problem statement:

I would to e-mail students that score in the middle. I can currently e-mail students that do well or that do poorly but not the students in the middle. I would like the option to email the poor scorers eg. less than 30 students in the middle eg. between 30 and 70 and them students with high grades eg. >80

Proposed solution:

Add a between scores option in the gradebook e-mail option

User role(s):

instructor,ta