Question
Below are the examination scores of 20 students. 52 99 92 86 84 63 72 76...
Below are the examination scores of 20 students.
| 52 | 99 | 92 | 86 | 84 | ||
| 63 | 72 | 76 | 95 | 88 | ||
| 92 | 58 | 65 | 79 | 80 | ||
| 90 | 75 | 74 | 56 | 99 |
| a. | Construct a frequency distribution for these data. Let the first class be 50–59 and draw a histogram. |
| b. | Construct a cumulative frequency distribution. |
| c. | Construct a relative frequency distribution. |
| d. | Construct a cumulative relative frequency distribution. |
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Answer #1
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Below represent scores on an exam, each entry one score for one student 40 99 59...
Below represent scores on an exam, each entry one score for one
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40
99
59
98
63
63
64
65
67
35
67
67
68
70
71
71
71
46
72
72
60
73
74
74
74
75
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75
62
76
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77
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Exhibit 2-20 Use the following observations to assist you in answering any questions. You are exploring...
Exhibit 2-20
Use the following observations to assist you in answering any
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Sugar
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1.2
3.2
1.3
3.1
1.5
2.8
1.8
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1.3
3.0
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Refer to Exhibit 2-15. If a pie chart was used to express the
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36, 52, 60, 60, 62, 65, 65, 65, 70, 72, 74, 75, 75, 76, 76,
78,
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Please find the outlier of the above set:
Student Grades Student Test Grade 1 76 62 2 84 90 3 79 68 4 88...
Student Grades
Student
Test
Grade
1
76
62
2
84
90
3
79
68
4
88
84
5
76
58
6
66
79
7
75
73
8
94
93
9
66
65
10
92
86
11
80
53
12
87
83
13
86
49
14
63
72
15
92
87
16
75
89
17
69
81
18
92
94
19
79
78
20
60
71
21
68
84
22
71
74
23
61
74
24
68
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76
97...
70, 35, 86, 81, 63, 71, 58, 53, 99, 85, 64, 56, 17, 38, 94, 78,...
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74. Construct an ungrouped frequency distribution from these data.
Start with the highest score ( X) and proceed down to the lowest
score. the f column will indicate the frequency or...
TestScore 53 53 56 56 56 58 58 58 59 59 59 60 60 62 63...
TestScore
53
53
56
56
56
58
58
58
59
59
59
60
60
62
63
63
63
64
65
65
66
67
67
67
67
68
69
69
69
69
71
71
72
72
72
72
73
73
73
73
73
74
75
75
75
76
76
76
76
77
77
77
77
77
78
78
78
79
79
79
79
80
80
80
80
80
80
81
81
81
82
82
83
83
83
83
84
84
84...
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80
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83
73
78
89
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79
84
75
73
63
74
72
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69
80
86
75
78
72
75
77
68
76
77
66
78
74
77
71
73
85
79
74
74
76
79
76
73
84
72
77
81
78
86
86
76
81
83
78
83
85
86
73
71
83
83
83
79
72
68
83
90...
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a) Provide a frequency polygon with...
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76 79 82 83 86 92 87 88 69 78
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Which of the above two classes was better prepared for the test?
Explain.
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