Question

Construct a frequency table for the marks obtained by 30 students (out of 25 marks), using equal class intervals :18. 11, 12, 7, 6, 15, 8, 9, 21, 15, 13, 19, 17. 22. 21.23, 14, 8, 17, 12, 6, 15, 18. 22, 16, 23, 9, 21, 16, 11.

Answer 1

0-5-------:0

6-10------:7

11-15------:9

16-20----:7

21-25----:7