Question

the marks of 25 students of a class obtained in a test out of 50 are given below 29,21,42,50,37,42,37,38,42,47,33,17,39,44,12,32,23,7,19,12,6,14,42,38 prepared a frequency distribution with equal class interval​

Answer 1

Give the mark of 30 students of a class obtain in a test ( out of 75 ) .

We have taken class interval 10 .

First class interval 0-10

See the attachment