Question

31. The mean of the following distribution is 48 and sum of the frequencies is 50. Find the missing
frequencies x and y.

Class
20-30
30-40
40-50
50 - 00
60-70
Frequency
8
6
x
11
y




find x and y using direct method ​

Answer 1

Answer:

the answer is 40 - 50

Step-by-step explanation:

And please make it's brannist