Mr. Johns

How to use a calculator to find regression equation in a calculator

First, turn on the calculator and click number 1, so you can open a new document.

Once the new document, click number 4, so you can open a list page.

Now add the list that you need and remember to name the list at the top because it is going to be needed later.

Now to add a new page you press ctrl+doc.

When you press ctrl+doc. A page like the one on the top should show up. When that happens you press enter, to add a calculator.

Now repeat the same step and add a new page you press ctrl+doc.

When you press ctrl+doc. A page like the one on the top should show up. When that happens you press 2, then enter to add a Graphs.

Once you are done with all of those steps, you should move your curser to 1.2 and press menu. Once that happens you should press 6 you will see another screen and then press 1.

Once you do this you will see a tab like a one above and you will see all of these regression. But for this process will use a Linear Regression(which is the 3 one).

Once you click that enter. A  screen like the one above which will ask you what list would you like being shown. So in the previous step when you named your list's you plug those name in the X list and the Y list.

Once you put in the list and pressed OK, a screen like above should show up. As this screen show up you should press crtl+-->. That should bring you to a graphing seen like shown below.

Also, as shown above when you go to the third screen you see the equation at the bottom. Once you see the equation and press enter a graph is suppose to show up. But if it does not then you must adjust the window size as shown bellow. By clicking menu, then pressing number 4 and after that clicking A. As shown below. 

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