# How do you find a linear model using a graphing calculator?

How do you find a linear model using a graphing calculator?
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Sanaa Hudson
To find a linear model for a scatterplot (which is what I assume you want), you just need to do a couple of things.

Firstly, you need to enter your data into the calculator. To do this, hit your "STAT" key, and select "EDIT". You should see a table with lists. Enter all your x values into one list, and all your y values into the other.

Once you have done this, hit 2ND and QUIT (normally mode) to return to your home screen.

Then, go back to your Stat key, but this time scroll left to the "CALC" option. Once you're there, scroll down to "LinReg (ax+b)", and select it. It will ask you to verify which list you're using for which variable, and you can change this if needed by pressing 2nd $\to$ Number of the list you want. Once you have finished with that, hit enter.

You should see a screen with all the information necessary for you to have your linear model.