A professor records the following final grades in one course.
Construct a frequency table for the grades.

A
A
A
B
B
B
B
B
B
B
B
C
C
C
C
C
C
C
C
D
D
D
D
F

Complete the table.

​(Type an integer or decimal rounded to the nearest tenth as​
needed.)

Grade Frequency Relative Frequency Cumulative Frequency

A. ____ ____% _____

B ____ _____% ______

C ____ _____% ______

D ____ _____% ______

F ____ _____% ______

TOTAL. ____. 1=100%. _______