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solve 5th question...
it's urgent...
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cumulative frequency means sum of of frequency
a=5
5+10+b=23
15+b=23
b=23-15
b=8
5+10+b+c=30
15+8+c=30
23+c=30
c=30-23
c=7
d=5+10+b+c+4
d=15+8+7+4
=34
a=5
5+10+b=23
15+b=23
b=23-15
b=8
5+10+b+c=30
15+8+c=30
23+c=30
c=30-23
c=7
d=5+10+b+c+4
d=15+8+7+4
=34
archit35:
It’s 30 not 39
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Hope this helps you
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