In mathematics and statistics averages can be found in three ways -- mean median and mode. There are many other types of averages which are defined in statistics but these three are the most common type. The largest value in the list is 21 and the smallest is 13 so the range is 21 13 8.
Remember the mode is the number that appears the most.
Learn vocabulary terms and more with flashcards games and other study tools. So 10 is the median of this set of results. Find the mean by adding up the numbers and divide by how many there are. The terms mean median mode and range describe properties of statistical distributions.