The following data gives the distribution of height of students height (in cm) 160 150 152 161 156 154 155 number of students 12 8 4 4 3 3 7 the median of the distribution is
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since its a discrete series, median = size of (n+1/2)th item
x f cf
160 12 12
150 8 20
152 4 24
161 4 28
156 3 31
154 3 34
155 7 41
total 41
m=size of (41+1/2)th item
=size of (42/2)th item
=size of (21)th item
= 152
therefore , 152 is the median
x f cf
160 12 12
150 8 20
152 4 24
161 4 28
156 3 31
154 3 34
155 7 41
total 41
m=size of (41+1/2)th item
=size of (42/2)th item
=size of (21)th item
= 152
therefore , 152 is the median
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