Question

structure frequency for the ages of 30 student talking the class width at 3 16 11,21, 9, 16, 22, 23, 18,6, 15, 17, 12, 8, 6, 15, 17, 12, 8, 23, 21, 14, 19,22, 17, 15, 13, 8,9, 21,15
find its tally mark

Answer 1

THERE ARE 31 STUDENTS

AGE. FREQUENCY
0-5. 1
5-10. 7
10-15. 5
15-20 11
20-25. 7