please answer my question
question number 24 please please please
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Class interval frequency cf
0-10 5 5
10-20 x 5+x
20-30 20 25+x
30-40 15 40+x
40-50 4 40+x+y
50-60 5 45+x+y
Total 60 l=20, f=20,cf=5+x,h=10 n=60 ; 45+x+y=60
X+y=15 ...... (1)
Median=l (n/2-cf)/f
28.5=20 (30-(5+x)×10/20
8.5=(25-x)/2
17=25+x
X=8; y=7
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