The median (rounded to the nearest tenth if needed) of the following data set is:
15,16,17,23,11,19,20,15,18,22,15
The median of the data set is 16.5.
To find the median, you first need to arrange the numbers in numerical order:
11, 15, 15, 15, 16, 17, 18, 19, 20, 22, 23
Since there are 11 numbers, the median is the middle number. In this case, the middle number is the sixth number, which is 16.5 (the average of the two middle numbers 16 and 17).