Ok so I'm in 7th grade and this is the first time me doing this kind of thing in math,we been doing median,mode,range,and mean those are easy and i know them but we have to pick from the answers a number that represents the rest one of the problems was: 70,52,66,88 Mean:69 Range:36 Median:68 and no mode my teacher got the answer 36 but im still confused of how did she get the answer can someone explain how did she get this?