A student wants to check whether there is a difference in the midterm exam scores of the students in two classes of Biostatistics. The scores of 25 randomly selected students from each class are distributed in the tables below. Assume that the data is normal, test the student’s hypothesis. (α = 0.1)
Monday class
45
90
76
34
42
66
53
49
34
42
52
46
53
72
65
69
73
75
70
43
70
55
47
31
63
Tuesday class
38
78
77
86
82
45
61
32
53
57
37
43
59
48
51
58
74
32
52
33
39
60
60
39
51