Question

The marks obtained (out of 100) by a class of 80 students are given below : marks number of students 10 - 20 6 20 - 30 17 30 - 50 15 50 - 70 16 70 - 100 26 construct a stogram to represent the data above.

Answer 1

First draw a adjusted frequency column and then simply plot it on the graph.
Hope it helps!!

Answer 2

this is the answer hope it will be helpful to you