Question

03 find the mean
Class interval 0-10 10-20
o 7
of given data
20-30
sorbo
Frequency
26
30-yo
S
7​

Answer 1

Answer:

Class Interval, frequency (fi), Mid value, fixi. 0-10, 12, 5, 60. 10-20, 16, 15, 240. 20-30, 6, 25, 150. 30-40, 7, 35, 245. 40-50, 9, 45, 405 ...