Mean is when you add up all of the numbers in a set data and divide them by how many numbers there are.
is the middle set of number in a set of data after all of the numbers have been arranged.
is the most frequently occuring number in a set of data.
is when you subtract the smallest number in the set of data from the largest.
is the most odd number in a set of data for example. 1,2,3,4,20. In that data 20 was the most odd number because it didnt fit with the others.