Question

u The mean of the following data is 42. Find the missing frequencies
and y if the sum of frequencies is 100.
Clusinterval 0-10 10-20 20-30 30-40 40-50 50-6060-70 | 70-80
Frequency 7 10 & 13 y 10 | 14 1
CSSE 2014​

Answer 1

Answer:

vhi

Step-by-step explanation: