00:01
So today we're talking about the mean, the median, and mode of the data set.
00:07
So these are three measures of central tendency, and they are used by quantitative researchers.
00:14
They don't measure variability, and they're not necessarily similar values.
00:18
So the mean is found by taking all the values, adding them up, and then dividing by how many there are.
00:24
So, for example, let's say we have a data set 1, 2, 3, 9, and 9.
00:30
If you add all the...
00:31
The median is the exact middle number.
00:33
It's 3.
00:33
The node is the most frequent...