Shudong Sun (he, him, his) Graduate Assistant, TeachingGraduate Student, Statistics and Data Science Email: shudongsun@math.arizona.edu Office: ENR2 S370BBOffice Hours (Spring 2023):Fri01:00 PM - 03:00 PMScheduled Courses (Spring 2023):MATH:112 - 004Mon09:00 AM - 10:00 AMWed09:00 AM - 10:00 AMFri09:00 AM - 10:00 AMMATH:112 - 006Mon10:00 AM - 11:00 AMWed10:00 AM - 11:00 AMFri10:00 AM - 11:00 AM