If N = 100 what will be median?
Answers
Answer:
Find the missing frequency in the following distribution if N=100 and median is 32
Marks
0-10
10-20
20-30
30-40
40-50
50-60
Total
No. of students
10
?
25
30
?
10
100
ANSWER
class f cf
0-10 10 10
10-20 x 10+x
20-30 25 35+x
30-40 30 65+x
40-50 y 65+x+y
50-60 10 75+x+y
75+x+y
75+x+y=100
x+y=25
f=30,h=10,cf=35+x,2n=50
Median=l+(f2n−cf)×h
32=(3050−35−x)×10
32−30=315−x
6=15−x
x=9
∴y=16
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Answer:
I think its 50
Explanation:
coz its the mid value.
sorry if I am wrong..