Question

In a particular data find median if l=100 ,n/2=30 ,CF=10, f=10, h=20

Answer 1

Step-by-step explanation:

$median = l + \binom{n \div 2 - cf}{f} \times h \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: =100 + \binom{30 - 10}{10} \times 20 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: = 100 + 40 = 140$

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Answer 2

Answer:

if l=100,n/2=30 cf=10, f= 10,h=20

then median=l+[(n/2-cf)/f]×h

=100+[30-10/10]×20

=100+[20/10]×20

=100+2×20

=100+40

median=140