![]() ![]() If you don’t have this software or you aren’t sure, you can download it here. Otherwise, you should have a Stats/List Editor application in your Flash Apps folder. If you want to find the x-intercept, give our slope. The magic lies in the way of working out the parameters a and b. As you can see, the least square regression line equation is no different from linear dependencys standard expression. Note: Be sure that your Stat Plot is on and indicates the Lists you are using. If you have a TI-89 Titanium or other newer calculator, then you should have a Stats/List Editor icon on your Apps screen. The formula for the line of the best fit with least squares estimation is then: y a We can use a linear regression to determine the exact nature of this relationship by fitting a line to our data points.įirst, your calculator must have the necessary software. ![]() Obviously, the more workers this factory has, the more widgets they will be able to produce. ![]() Suppose X represents the number of workers in a certain factory and Y represents the number of widgets they are able to produce in an hour. This tutorial demonstrates using the statistics functions available on this series of calculators to perform a linear regression on the same set of data as in the TI-83+ and TI-84+ Tutorial. Unlike with the TI-83+ and TI-84+, it is relatively hard to perform statistics operations on the TI-89, TI-92+, and Voyage 200 the first time around. ![]()
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