Height (in cm)
Number of girls
4
Less than 140
Example-7. A survey regarding the heights
(in cm) of 51 girls of Class X of a school was
conducted and data was obtained as shown in
table. Find their median
Less than 145
Less than 150
40
Less than 155
Less than 160
Less than 165
51
Answers
Answered by
0
Answer:
149.03
Step-by-step explanation:
N=51 =N/2=51/2
=25.5
median=L+(N/2-cf/f)×h
L=145,h=150-145=5,CF=11,F=18
Median=145+(25.5-11/18)×5
=145+4.03
=149.03
**Median is 149.03..
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