00:01
To calculate the correlation coefficient, our r value, we'll need to round it to three decimal places.
00:09
So the first thing that i did was i took the information for our xy table and put it in a t -table so that we could see all of our x -y values clearly.
00:19
I'm going to show you how to do this on your calculator.
00:22
This can be done on a t -i -83, t -i -84 graphing calculator.
00:27
The first thing you want to do is make sure that your diagnostic is on.
00:31
To do that, you're going to hit second zero.
00:34
That's to get us the catalog option.
00:36
Now you're going to scroll down until you see diagnostic on.
00:40
Right before diagnostic on, there's a diagnostic off.
00:44
So make sure you go down to on.
00:46
It's a big alphabetical list.
00:48
So just keep scrolling down to the d's...