Question

draw histogram and write answer of given question
marked question 0-20 20-40 40-60 60-80 80-100
number of student 12 13 15 20 10
a.what is the class size
b.what is the lowest intervals 40-60​

Answer 1

Answer:

a.20

b.40

Step-by-step explanation:

Sorry because i have no graph paper hope it helps

thank You