A professor wants to determine if his class' anxiety decreases over the course of the semester. He uses a test to measure a random sample of all students enrolled at midterm and again at the end of the course. He realizes by looking at the scale that good interval leval data is not reflected.
Does the data reflect a significant decrease in anxiety? Analyze in SPSS and Graph.
Midterm
56
79
68
58
58
61
71
53
64
68
61
47
End of Semester
50
74
66
60
50
40
52
48
65
60
52
38