Question

The mean of the following frequency table
I is 50. find the missing frequency randy,
class
frequency
0-20
17
20-40
x
40-60
32
60-80
y
80-100
19
total
120'​

Answer 1

Answer:

you should put formula t/f

Answer 2

Answer:

missing frequencies are x=44 and y=40

Step-by-step explanation:

1. you can easily solve this by applying step deviation method of mean