To find the median, order the numbers from least to greatest and find the number in the middle.
45, 19, 23, 67, 28, 35, 46, 21, 58, 60, 23, 51
19, 21, 23, 23, 28, 35, 45, 46, 51, 58, 60, 67
The numbers in the middle are 35 and 45. Find the mean of these two numbers.

The median of the data is 40.