31 Enrollment per Course at Riverview College- Spring Semester of 2001 Number Jasmi score first 5 Number mear of Course of Course recei Students Students aver: Enrolled Enrolled Sociology 98 U.S. History 27 Psychology 37 Anthropology 33 Economics 85 Marketing 68 Calculus 45 Political 79 Science 34 Biology 42 Linguistics 16 64 Chemistry 52 If Accounting The above table lists the number of students enrolled in 12 different courses at Riverview College during its spring semester of 2001. According to the table, what is the mean class size of these selected courses at Riverview College in the spring semester of 2001 ? (Round your answer to the nearest tenth.) a t