Question
1.Students in a statistics class took their first test.The following table lists the scores they earned. 67 67 76 47 85 70 87 76 67
1.Students in a statistics class took their first test.The following table lists the scores they earned.
67
67
76
47
85
70
87
76
67
72
84
98
84
64
65
82
81
81
88
74
87
83
Complete the following frequency distribution table using 6 classes:40-49, 50-59, 60-69, 70-79, 80-89, and 90-99.
Scores TALLY RELATIVE FREQUENCY. CUMULATIVE FREQUENCY
40 - 49
50 - 59
60 - 69
70 - 79
80 - 89
90 - 99
2.Answer the following questions based on the test score data given in Question #5:
a.What is the range of the test scores?
b.What is the median of the test scores?
c.What is the mode of the test scores?
3.Answer the following questions based on the frequency distribution table you got in Question #5:
a.What percentage of the test scores was at least 60?
b.What percentage of the test scores was at most 89?
67
67
76
47
85
70
87
76
67
72
84
98
84
64
65
82
81
81
88
74
87
83
Complete the following frequency distribution table using 6 classes:40-49, 50-59, 60-69, 70-79, 80-89, and 90-99.
Scores
Tally
Frequency
Relative Frequency
Cumulative Relative Frequency
40 - 49
50 - 59
60 - 69
70 - 79
80 - 89
90 - 99
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Linear Algebra and Its Applications
Authors: Gilbert Strang
4th edition
30105678, 30105676, 978-0030105678
