The median of 24, 120, 15th is...
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
Class IntervalFrequencymidpoint (x)Comm frequecy0-64346-12x94+x12-185159+x18-24y219+x+y24-3012710+x+yTotal20
∑f=20
x+y=10−−−−−−−−−−(1)
Median is 14.4
S0, Median class is 12−18
Median =L+f2n−C×w
So 14.4=12+5220−(4+x)×6
14.4×5=60+(10−4−x)×6
72=60+60−24−6x
6x=120−24−72
6x=120−96
6x=24
x=4
from eq (1)
4+y=10⇒y=6