00:01
So this question is asking, when will the median of a sample be equal to the mean of a sample? and that is going to occur when you have a symmetric distribution.
00:28
So if you think in terms of some histograms, i'm going to draw three different versions of histograms.
00:36
We could have a uniform histogram where all the towers are about the same height.
00:50
And if that's the case, the middle would be right here.
00:56
And you can see you have symmetric shapes on both sides.
01:01
So this would be where the mean is, if i average all of the towers together, and this is where the median would be because it's in the middle.
01:10
So we've got a symmetric distribution.
01:13
Another symmetric distribution is the bell -shaped curve.
01:25
Kind of looks like a bell...