Excel - calculating the median without removing duplicates -


i have table looks this:

id  total 3   3 3   3 3   3 4   11 4   11 4   11 4   11 4   11 4   11 6   9 6   9 7   13 7   13 7   13 7   13 7   13 7   13 7   13 7   13 7   13 7   13 7   13 7   13 7   13

i calculate median of column b (total), excluding duplicate combinations of columns , b. achieved constructing table below, , calculating median table.

id  total 3   3 4   11 6   9 7   13

is there way of obtaining median without having go through process of manually deleting duplicates? 

=median(if(frequency(match(a2:a25&"|"&b2:b25,a2:a25&"|"&b2:b25,0),row(a2:a25)-min(row(a2:a25))+1),b2:b25))

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