Speaker: Hello students.
So this is 1F, problem 1F,
which is the last problem from this set.
And in this one, what we are being asked is
which measure,
the standard deviation
or the interquartile range is a better measure
of dispersion and justify our answer.
So because there are outliers, the best measure
of dispersion is going to be our standard deviation.
So because no outliers exist
in our dataset,
which we just calculated,
best measure of dispersion
is going to be standard deviation.
And we have already calculated
that before and that is what? 29.
So now I think in your mind, hopefully the next question is
so what if we do have outliers?
What will we do then?
Okay, in a little while, I'm going to answer that question
and you will learn what to do when we do have outliers.