00:01
This question shows us a table of prices over the several years for bushels of wheat.
00:06
It asks us to find the mean and the median.
00:09
The prices that it gives in order are 2 .62, 2 .78, 3 .56, 3 .40, 3 .40, 3 .42.
00:26
4 .26.
00:29
I'll start another line.
00:30
6 .48.
00:33
6 .4 .6.
00:33
6 .6.
00:33
6 .8.
00:33
6 .6.
00:34
78 and 4 .87.
00:38
We know that the mean, our x bar, is just the sum of all the xs divided by n, or n is the number of data points that we have.
00:49
Here we know n is 10, and if we add up all of our data in a calculator, we'll get that the sum of the x is equal to 41 .57.
01:00
So pretty quickly, we can figure out that x bar is 41 .57 divided by 10, or or just 4 .157...