Step 2) Hit "enter" button and you should see the three lists on the right. In the next step we will enter all of the scores into L1
| All modern TI graphing calculators (that I know about) allow you to calculate various types of statistics. The TI-84 Plus, in particular, has a powerful suite of statistics tools. |
| Demonstration problem: Calculate the standard deviation of the following set of data { 50, 20, 33, 40, 55 } |
| Step 1) Press "Stat" |
|
Step 2) Hit "enter" button and you should see the three lists on the right. In the next step we will enter all of the scores into L1 |
|
| Step 4) Press "50" then "enter" | |
| Step 5) Enter the rest of the data into the calculator by pressing each of the numbers then 'enter' :20, 33, 40, 55 | |
| Step 6) Return to the main calculator screen by pressing "2nd" then "quit" | |
| Step 7) Press "Stat" | |
| Step 8) Scroll right to highlight "Calc" | |
| Step 9) Hit "enter" | |
| Step 10) hit "2nd" then "L1" | |
| Step 11) Press "enter | |
| Your goold old TI Graphing Calculator came to the rescue. All of the information that you see inthe picture above is qutie useful |
| X represents the arithmetic mean |
 represents the standard deviation |
| Therefore, this set of data has a mean of 39.6 and a standard deviation of 12.4 |
Security of your purchase | Privacy Protection