The age of the students was varied thus: only 4 students were 26 or younger; 38 of them were 26 to 35, 44
students were 36 to 45 years old, 27 were 45 to 55, and 8 students were age 56 or higher. Students were
almost equally distributed concerning courses they have completed, with 25 (20%) of them having finished 0
to 3 courses, 36 (31%) having taken 4 to 6 courses, 31(25%) having taken 7 to 9 courses, and 29 (24%)
having completed 10 or more courses.