![]() VARS/5:Statistics, and select the appropriate menu.įor instance, here are some common statistics and the menu in which each is found.ĭeselect all graphs and statistical plots. (If you edit a list orĬhange the type of analysis, all stat variables are cleared and will need to be ![]() (like the mean), so that the exact value can be used,Įnter data and calculate the appropriate statistics. Remember that we use population statistics when we are certain that we have absolutely all of the data.Ģ, which is the sum of the squares of the data.įor IQR, you will calculate Q3-Q1 (the calculator doesn't show it.) On occasion we might need sx, which is the population standard deviation. Remember that Sx is the sample standard deviation this is what we will almost always use. You can re-access these values by repeating the steps above or with VARS/5:Statistics and selecting the values you wish. Then 2nd-L1 ,(type a comma) 2nd-L2 Enter) (older: STAT/CALC/1-Var Stats to paste this command into the home screen. If you do not specify freqlist, then the default is 1 occurrence of each list element. STAT/CALC/1-Var Stats to paste this command into the home screen.įor each STAT CALC menu item, if neither List nor FreqList is specified, then the default list names are L1 and L2. ![]() Perform a statistical analysis on one variableĮnter the data into L1 (or another list). I suggest you clear specified lists for each new problem: from the STAT LIST editor,Ĭursor up onto a list name, and then press CLEAR (not DEL) and ENTER. Move the cursor onto the name, such as 元, where you wish to insert a list.Ģnd-INS for insert now you should see "Name=" at the bottom of the screen.įrom here, 2nd-L1 works, or you can select a list name through 2nd-LIST/NAMES/ and scroll to the name.įor our course in general, use L1 for the x-values. That no longer shows up on the Stat menu. Make sure that the Stat Wizard is ON, along with other newer features. Newer calculators have a "Stat Wizard" that gives a nice interface to input values. Some keystrokes below are given for the older calculators. If your calculator is not a "Plus Silver" either borrow on or learn the keystrokes. If your calculator is older, borrow a cable and update it. You may download the calculator instruction book by searching for "TI84 guidebook", for instance. Therese Shelton Some Notes on the updated TI84 Plus Silver Edition calculators
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