It can somteimes be one of the data values. When there's an odd set of numbers, the median will always be one of the data values. When there's a even set of numbers, the median will sometimes be one of the data values. Even: 2, 3, 4, 5, 6, 7 Now, we need to find the number between 4 and 5, which is 4.5, 4.5 doesn't show up in the data set. 2,3, 5, 5, 6, 7 The middle of 5 and 5 is 5 since it's the same number. 5 does show up in the data set. So, the median sometimes is one of the data values.
It could be the middle number but if the two miiddle numbers are 2 and 2, then you add them together(4) and divide by two. You get 2 as the median. This is why the median could sometimes be one of the data values.
Have you seen those weather guys on TV showing clouds and stuff, they got them via satellite or at least if there are animations, those are possible because they can see what the clouds or other stuff look like via satellites.