Assignment 1 The final grades in mathematics of 80 students at State University are recorded in the accompanying table. 68 84 75 82 68 90 62 88 76 93 73 79 88 73 60 93 71 59 85 75 61 65 75 87 74 62 95 78 63 72 66 78 82 75 94 77 69 74 68 60 96 78 89 61 75 95 60 79 83 71 79 62 67 97 78 85 76 65 71 75 65 80 73 57 88 78 62 76 53 74 86 67 73 81 72 63 76 75 85 77 (a) The highest grade. (b) The lowest grade. (c) The range.
Assignment 1 The final grades in mathematics of 80 students at State University are recorded in the accompanying table. 68 84 75 82 68 90 62 88 76 93 73 79 88 73 60 93 71 59 85 75 61 65 75 87 74 62 95 78 63 72 66 78 82 75 94 77 69 74 68 60 96 78 89 61 75 95 60 79 83 71 79 62 67 97 78 85 76 65 71 75 65 80 73 57 88 78 62 76 53 74 86 67 73 81 72 63 76 75 85 77 (a) The highest grade. (b) The lowest grade. (c) The range.
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Transcribed Image Text:Assignment 1
The final grades in mathematics of 80 students at State University are recorded in
the accompanying table.
68 84 75 82 68 90 62 88 76 93
73 79 88 73 60 93 71 59 85 75
61 65 75 87 74 62 95 78 63 72
66 78 82 75 94 77 69 74 68 60
96
78 89 61
79 62 67 97 78 85 76 65 71 75
65 80 73 57 88 78 62 76 53 74
86 67 73 81 72 63 76 75 85 77
75 95 60 79 83 71
(a) The highest grade.
(b) The lowest grade.
(c) The range.
(d) The grades of the five highest-ranking students.
(e) The grades of the five lowest-ranking students.
(f) The grade of the student ranking tenth highest.
(g) The number of students who received grades of 75 or
higher
(h) The number of students who received grades below 85.
(1) The percentage of students who received grades higher
than 65 but not higher than 85.
Hint: start with an interval 50-59, 60-69, .. etc.
determine also:
1. Interval frequency distribution
2. Relative frequency distribution
3. Percentage frequency distribution
4. Interval center
5. Real interval limit
6. Cumulative frequency distribution
7. Percentage of Cumulative frequency distribution
Determine also the graphs of:
1. Frequency histogram
2. Frequency polygon
3. Frequency curve
4. Cumulative frequency polygon
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