In a Rating of the Satisfaction with Their Instructor, 13

Multiple Choice

In a rating of the satisfaction with their instructor, 13 students gave the following scores from a scale of 1 to 5;
3, 2, 1, 1, 5, 5, 4, 3, 3, 2, 4, 3, 3

-What are the inner fences?

A) -1,7
B) -4,10
C) 5,7
D) 8,10
E) 3,6