Make a tally chart for the number of students in the third-fourth-and fifth grade classes: 26,25,27,27,26,28,27

I don't understand how to find the answer.

2 answers

the total number of students if there are nineteen in one class and thirteen in another
Make a tally chart for the number of students in the third fourth and fifth classes 26, 25, 27, 27, 26, 28, 27,