Question

For the given data if a = b, then find their values. Also draw the histogram and frequency
polygon for the data on the same graph paper.
Marks
No.of Students
0-20 20-40 40-60 | 60-80 | 80-100 | Total
12 a 46 b | 12 | 100​

Answer 1

Answer:

Step-by-step explanation:

12+a+46+b+12= 100

a+b+70=100

a+b=30

2a= 30

a= 15 and b = 15.

You got your value of a and b. Draw the graph.