Mean, Median, Mode, and Range

Today in math we learned about mean,median,mode, and range. Mean: is where you add all the numbers up and then divide it by how many number there are. Median is when you arrange the numbers from least to greastest and it is the middle number. There cannot be more then one median. Mode is how many times it appears most often in the set of numbers there can be more than one mode. Range is the difference from the greatest number and the least number then you subract it to get the range number.