Probability and Statistics > TI 83 > TI 83 Scatter Plot

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## TI 83 Scatter Plot: Overview

Making a scatter plot on a

**TI-83 graphing calculator**is a breeze with the easy to use LIST menu. In order to graph a

**TI 83 scatter plot**, you’ll need a set of bivariate data.

**Bivariate data**is a set of data that you can plot on an XY axis: you’ll need a list of “x” values (for example, weight) and a list of “y” values (for example, height). The XY values can be in two separate lists, or they can be written as XY cordinates (x,y). Once you have those, it’s as easy as typing the lists into the calculator, and choosing your graph.

## TI 83 Scatter Plot: Steps

**Sample problem:** Create a TI 83 scatter plot for the following coordinates (2,3), (4,4), (6,9), (8,11), and (10,12).

**Step 1: ** Press STAT, then press ENTER to enter the lists screen. If you already have data in L1 or L2, clear the data: move to cursor onto L1, press CLEAR and then ENTER. Repeat for L2.

**Step 2: ** *Enter your x-variables, one at a time.* Follow each number by pressing the ENTER key. For our list, you would enter:

2 ENTER

4 ENTER

6 ENTER

8 ENTER

10 ENTER

**Step 3: ** Use the arrow keys to scroll across to the next column, L2.

**Step 4: ** Enter your y-variables, one at a time. Follow each number by pressing the enter key. For our list, you would enter:

3 ENTER

4 ENTER

9 ENTER

11 ENTER

12 ENTER

**Step 5: **Press 2nd, then press STATPLOT (the Y= key).

**Step 6: **Press ENTER to enter StatPlots for Plot1.

**Step 7: **Press ENTER to turn Plot1 “ON.”

**Step 8: **Arrow down to the next line (“Type”) and highlight the scatter plot (the first image). Press ENTER.

**Step 9: **Arrow down to “Xlist.” If “L1” isn’t showing, press 2nd and 1. Arrow down to “Ylist.” If “L2” isn’t showing, press 2nd and 2.

**Step 10: ** Press ZOOM then 9. This should bring up a scatter plot on your screen.

**Tip**: Hit TRACE and press the right and left arrow buttons to move from point to point, displaying the XY values for those points.

That’s how to make a TI 83 Scatter Plot!

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After I hit the zoom 9 it shows me a scatter plot for a second and the it says error.

Is there an error, like ERR:INVALID DIM or ERR:DIM MISMATCH?

i received this message

err:dim mismatch

Press [Y=] and check that only one of Plot1, Plot2, Plot3 is highlighted.

Then press [2nd] [STAT PLOT] followed by the number of the active plot. ([STAT PLOT] is the shifted [Y=] key.) Check which list numbers are mentioned.

Press [STAT] [ENTER] and make sure that you have equal numbers of entries in the two lists.

(From Brownmath.com)