TI Instructions: Standard Deviation

To open a group of lists with the survey data loaded, right-click here and choose "Save Target As" to download the file to your computer. Then find the downloaded file and send it to your calculator. For instructions on how to connect your calculator to your computer and transfer a file, click here.

On the TI calculator, the dataset is displayed in lists L1-L3:

Now use the TI calculator to calculate the numerical measures of a distribution:

Descriptive Statistics including five-number summary

Note: you'll have to repeat these steps for Ratings Class I (stored in L1), Ratings Class II (stored in L2), and Ratings Class III (stored in L3).