00:01
Okay, here we have two box and whisker charts showing the results in two classes, a and b.
00:07
And part a, i want to work out which class have the highest test score? the highest test score will be over here, this one.
00:18
And that is roughly 85 on their scale, i think, 85 to 86.
00:26
So a then has the highest test score, this value down here.
00:33
The largest interquartile range.
00:37
Well, with that, interquartile range is the upper quartile, or q3, minus the lower quartile q1.
00:50
Q2 is the medium.
00:52
So q3 is this one here.
00:56
That's q3.
00:59
Here is q1 on that box in which we chart.
01:03
So this gap here will be the interquart.
01:07
Range.
01:08
On the other one, this is q3, the upper quartile.
01:13
This is q1, the lower quartile.
01:16
So this is the interquartile range...