Mr. Gonzalez gave his students a biology test last week.

Question

Here are the test scores for each of the eleven students.
Complete the grouped frequency distribution for the data.
In the distribution, the frequency of a class is the number of test scores in that class.
(Note that we are using a class width of
6
.)

Test score
69 88 87 84
88 84 77 80
68 72 69
Test score
69 88 87 84 88 84 77 80 68 72 69
Test score Frequency
66
to
71

72
to
77

78
to
83

84
to
89

Answer 1

Test score Frequency
66 to 71 3
72 to 77 2
78 to 83 0
84 to 89 6