Question

For the two frequency distributions given below, the mean calculated from the first was 25.4 and that from the second was 32.5. Find values of x and y.
Class
10-20
20-30
30-40
40-50
50-60
Distribution I Frequency
20
15
10
x y
Distribution II Frequency
4
8
4
2x
y

Answer 1

Answer:

If the median of the following data is 32.5 , find the missing frequencies.Class interval: 0 - 10 10 - 20 20 - 30 30 - 40 40 - 50 50 - 60 60 - 70 TotalFrequency