Question

the marks of 50 candidates in an examination for which the maximum mark was 100 are given below .
74 ,11, 14, 63, 71, 44, 45, 45, 64,80
34, 22, 35, 53, 64, 91, 34, 66, 63, 92
6, 12, 54, 27, 83,78, 96, 23, 54, 40
35, 9, 93, 24, 66, 74, 88, 38, 24, 50
30, 40,50,60, 70, 7, 8, 39, 24,84

select suitable classes and draw up frequency distribution

Answer 1

Class intervals - 0-10, 10-20, 20-30 etc.