This is a question from the further textbook, it is asking to find the "approximate location of the centre"

We can read this and see that the frequencies are:

13,15,12,11,8,6,5,4,4,2,1 (I'm doing this visually but for an assessment I'd use a ruler)

1+2+4+4+5+6+8+11 = 41 (summing from right to left)

13+15+12= 40 (summing from left to right)

Thus the median value will be contained in the column with a frequency of 11 (the fourth column from the left)