Drawing the Regression Line
The line that was fitted by hand and eye can be compared with the calculated linear regression line using option 4 in the Analyze menu. Pressing b461 will display a line with equation of the form y=mx+b.
As usual, you can click and drag on the regression equation to move it to a convenient place.
Getting the Stats
There are two methods for displaying summary statistics:
1.For a single statistic you can type its name and use
the h key to choose the variable, e.g. =median(fshoe).
=MEDIAN(h·
2.On a Lists & Spreadsheet page, you can enter a complete set of statistics into spreadsheet cells.
Open a new Lists & Spreadsheet page and press b41 to see the range of statistical calculations. (Once again these will be very familiar to users of the
Choose option 1: One-Variable Statistics.
You have the option to display stats for more than one list but for now choose 1 list and then OK.
Choosing the data list can either be done using the Touchpad, or you can type the name.
Type the letter of the column where you want the results to appear.
First Steps with
Tutorial 7: One- and
The calculated regression line
The Statistics Calculations menu
© 2012 Texas Instruments Education Technology | Page 49 |
