A professor at the University of Florida teaches three courses during the semester. Assume for this scenario that the professor's students take all three courses at the same time. After the semester, the professor sends 5 randomly selected students the course evaluations for the three courses. The course ratings are below on a scale of 1 to 10, with 1 being the lowest and 10 being the highest. Student Rater Course 1 Course 2 Course 3
1 10 9 5
2 9 9 7
3 4 8 6
4 7 7 8
5 8 10 7

Required:
What is the correct alternative hypothesis?