lines of the screen will have to be cleared out.

Any undesired functions entered on the y1=, y2=.

When the data have been entered, the screen (which is ). Next move the cursor into the first row of the c2 column and repeat for each element in the line of the table that corresponds to the values of S. From the bottom of the screen, below the lists, enter each data item from the line of the table that corresponds to the values of a, followed by. The cursor will be in the first row of the c1 column.

You should now be in the data entry screen.

The name must be something for which the calculator does not already have a designated function.

Now move the cursor down to the Variable: box and type in a name for your data.A small menu will appear, from which you select for the Data option. If not, move the cursor to the Type: designation, and press the right-cursor key. In this new screen, make sure that the Type: specification is set to Data.For a new set of lists for our data, press for the New. Press, and then press for the Data/Matrix Editor option. To create lists, we will have to first specify a name for them.

We will use the lists specified c1 and c2. We wish to find a curve that best fits this set of points. Example 1: Our first example will be represented by the following table:.Plot the regression equation along with the scatter plot.Obtain an appropriate regression equation.The steps for fitting a regression curve to a collection of data points are as follows:.The TI89 offers the following options for curve fitting:.

How to change your cursor on ti 89