В таблице представлены выборочные данные успеваемости студентов двух факультетов. Существует ли значимое различие между средней успеваемостью студентов двух факультетов? Насколько существенно это различие?
|
Факультет 1
|
Факультет 2
|
|
Номер студента
|
Средние результаты сессии
|
Номер студента
|
Средние результаты сессии
|
|
1
|
67,429
|
1
|
64,1
|
|
2
|
67
|
2
|
73,889
|
|
3
|
78,286
|
3
|
78,889
|
|
4
|
70,429
|
4
|
64,091
|
|
5
|
75,571
|
5
|
53,545
|
|
6
|
73,429
|
6
|
85,5
|
|
7
|
81,857
|
7
|
86,222
|
|
8
|
80,286
|
8
|
92,111
|
|
9
|
77,714
|
9
|
72,625
|
|
10
|
65
|
10
|
79,889
|
|
11
|
90,857
|
11
|
62
|
|
12
|
90,714
|
12
|
57,846
|
|
13
|
86
|
13
|
81,444
|
|
14
|
80,714
|
14
|
90,6
|
|
15
|
77,571
|
15
|
90,111
|
|
16
|
80,857
|
16
|
53,6
|
|
17
|
75
|
17
|
60,545
|
|
18
|
70,857
|
18
|
72,556
|
|
19
|
57,714
|
19
|
45,917
|
|
20
|
69,857
|
20
|
78,375
|
|
21
|
81
|
21
|
69,889
|
|
22
|
84,5
|
22
|
69,636
|
|
23
|
77,571
|
23
|
66,8
|
|
24
|
62,667
|
24
|
70,2
|
|
25
|
83,429
|
25
|
69,667
|
|
26
|
81,429
|
26
|
74,889
|
|
27
|
73,143
|
27
|
86,556
|
|
28
|
93,286
|
28
|
89,889
|
|
29
|
84,125
|
29
|
81,556
|
|
30
|
73,571
|
30
|
82,778
|
|
31
|
87,143
|
31
|
66,364
|
|
32
|
65,286
|
32
|
66,778
|
|
33
|
75,143
|
33
|
52,1
|
|
34
|
86,286
|
34
|
67,333
|
|
35
|
87
|
35
|
73,556
|
|
36
|
68
|
36
|
77,875
|
|
37
|
79,286
|
37
|
82,222
|
|
38
|
72,143
|
38
|
85,667
|
|
39
|
63,857
|
39
|
62,444
|
|
40
|
85,143
|
40
|
42,615
|
|
41
|
72,143
|
41
|
64,222
|
|
42
|
88,857
|
42
|
81,111
|
|
43
|
84,429
|
43
|
76,222
|
|
44
|
70,143
|
44
|
78
|
|
45
|
49,5
|
45
|
72,556
|
|
46
|
75
|
46
|
58,5
|
|
47
|
78,429
|
47
|
88,125
|
|
48
|
75
|
48
|
55,455
|
|
49
|
79,857
|
49
|
83,875
|
|
50
|
74,5
|
50
|
86,75
|
|
51
|
70,571
|
51
|
67,444
|
|
52
|
70,714
|
52
|
70,333
|
|
53
|
78
|
53
|
70,333
|
|
54
|
78,857
|
54
|
59,636
|
|
55
|
79,429
|
55
|
75,222
|
|
56
|
60
|
56
|
72
|
|
57
|
90,286
|
57
|
67
|
|
58
|
75,429
|
58
|
86,556
|
|
59
|
81,429
|
59
|
76,333
|
|
60
|
83
|
60
|
74,7
|
|
61
|
65,625
|
61
|
87
|
|
62
|
78,429
|
62
|
84,778
|
|
63
|
80
|
63
|
70,571
|
|
64
|
56,25
|
64
|
69,2
|
|
65
|
72,571
|
65
|
71,333
|
|
66
|
80,857
|
66
|
83,1
|
|
67
|
69,286
|
67
|
61,375
|
|
68
|
72
|
68
|
44,667
|
|
69
|
62,429
|
69
|
63,5
|
|
70
|
70
|
70
|
81,333
|
|
71
|
74,571
|
71
|
64,636
|
|
72
|
48
|
72
|
55,333
|
|
73
|
68
|
73
|
62,2
|
|
74
|
80
|
74
|
86,25
|
|
75
|
88,143
|
75
|
76,25
|
|
76
|
59,667
|
76
|
41,154
|
|
77
|
88,714
|
77
|
85,375
|
|
78
|
59,714
|
78
|
83
|
|
79
|
84,286
|
79
|
86
|
|
|
|
80
|
84,556
|
|
|
|
81
|
89,889
|
|
|
|
82
|
67,1
|
|
|
|
83
|
81,889
|
|
|
|
84
|
54,889
|
|
|
|
85
|
66,545
|
|
|
|
86
|
72,75
|
|
|
|
87
|
91,333
|
|
|
|
88
|
82
|
|
|
|
89
|
65,111
|
|
|
|
90
|
76,556
|
|
|
|
91
|
79,667
|
|
|
|
92
|
84,444
|
|
|
|
93
|
94,556
|
|
|
|
94
|
64,2
|
|
|
|
95
|
76,25
|
|
|
|
96
|
86,375
|
|
|
|
97
|
84
|
|
|
|
98
|
54,083
|
|
|
|
99
|
57,846
|
|
|
|
100
|
77,375
|
|
|
|
101
|
61,2
|
|
|
|
102
|
81,778
|
|
|
|
103
|
79,125
|
|
|
|
104
|
91,333
|
|
|
|
105
|
40
|
|
|
|
106
|
79,556
|
|
|
|
107
|
89,778
|
|
|
|
108
|
74,111
|
|
|
|
109
|
65,444
|
|
|
|
110
|
80,778
|
|
|
|
111
|
87,667
|
|
|
|
112
|
80,5
|
|
|
|
113
|
95,444
|
|
|
|
114
|
64,111
|
|
|
|
115
|
42,583
|
|
|
|
116
|
72,667
|
|
|
|
117
|
81
|
|
|
|
118
|
60,111
|
|
|
|
119
|
74,667
|
|
|
|
120
|
83,444
|
|
|
|
121
|
57,75
|
|
|
|
122
|
90,75
|
|
|
|
123
|
53,9
|
|
|
|
124
|
45,5
|
|
|
|
125
|
58,8
|
Решение получаем, используя калькулятор "Гипотеза о равенстве двух средних значений".
|