How to Find the Standard Deviation of a Data Set on the TI-84 Plus
You can find the standard deviation of a data set in two ways. First, have a look at the long way, using lists to calculate the standard deviation from scratch. Then see how to quickly find the standard deviation using one-variable stats. To help your understanding, this video explains what the abbreviations mean and where you can access these variables in your TI-84 Plus calculator.