Answer:
A. The vertical axis indicates the frequency
B. The horizontal axis indicates the test score
C. The horizontal axis is organized in a group of test scores
D. 2 had score 60 - 69
E. 8 had score 70 - 79
F. 11 had score 80 - 89
G. 6 had score 90 - 99
H. To verify the number of student who took the test, we add up the frequency.
The sum is 27