Question

If the arithmetic mean of the following frequency distribution is 30, find the missing
frequency :
Class
0-10
10-20
20-30
30-40
40-50
frequency 1
3
5
3
P​

Answer 1

Answer:

3= 10-20,5=20-30,3=30-40,p=40-50

0,5=30-40,3=40-50,p=50-60