The median is the value of the data in the middle position of the set when the data is arranged in numerical order. 5 7 9 9 11. If you have an odd number divide by 2 and round up to get the position of the median number.
In this case the median is the 11 th number.
If you have an even number of data points calculating the median requires another step or two. In a list of ten values that will be the 10 1 2 55 -th value. Find the Median in an Odd Set of Numbers 1 Sort your set of numbers from least to greatest. To find the Median Alex places the numbers in value order and finds the middle number.