find the median. of the following sets of data 16,23,18,13,15,20,9,11,14,18,12,15,16,20
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First we shall put it in ascending order
9,11,12,13,14,15,15,16,16,18,18,20,20,23
Next, as the no. of terms are even...so
Median terms will be n/2 and n/2+1
= 14/2 and 14/2 + 1
= 7th and 8th term
Which is 15 and 16
Now we will find mean of both these terms
15+16/2
=31/2
= 15.5
Hence median is 15.5
9,11,12,13,14,15,15,16,16,18,18,20,20,23
Next, as the no. of terms are even...so
Median terms will be n/2 and n/2+1
= 14/2 and 14/2 + 1
= 7th and 8th term
Which is 15 and 16
Now we will find mean of both these terms
15+16/2
=31/2
= 15.5
Hence median is 15.5
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