I want to make sure that I am doing this UML diagram correctly. I am a little bit confused on the lines for UML and the symbols I am supposed to use.

The assignment

The diagram

Lab Exercises: 1. Please draw UML class diagrams for the following constructs: a. interface: Institute b. classes: University, Department, Faculty, Student, Undergraduate, Graduate, Graduate Assistant, Course, Lecture Section, LabSection, Textbook, CourseWebSite. faculty university +name +location +dean +departments department +deptcode +deptname +deptoffice +phone +name +rank +salary +phone +id +assigned to student +credits +GPA +student name +address +phone +student id +addcredits +getcredits +get studentido Hoffers +get ranko +set ranko +evaluation() teacheset id course +course title +description +credits +course id +set faculty id) +set start date +set end date graduate +grades undergraduate +major +getmajor +set major) +program +getprogram graduate assistant +funding source annual stipend course website +lab scetion +lecture section +extbook +set texbook id +set lab ido +set lecture id textbook +textbook id lab section lecture section +lecture id +lab id