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What make and model calculator? On most calculators with such a button, it means "memory recall." Press the button to recall the contents of the memory.
Clear the statistics registers with 2nd [CSR]. Add the data points with Sigma+. Errors can be corrected with 2nd [Sigma-]. Calculate the mean with 2nd [xbar].
You need to select the number of decimal places you would like, or if you would like the calculator to behave as normal. Press SET UP and select FSE (press 1) . You now have 5 options.
0: FIX means you can choose a fixed number of decimal places for every calculation.
1: SCI means scientific notation and choose the number of significant values you would like to deal with.
2: ENG means engineering and the power goes up in multiples of 3.
3: NORM1 and 4: NORM2 are the usual or normal settings on the calculator. Most school calculations will use NORM1 mode.
Here is one technique I used on the TI84Plus. Create two lists list1(50) and list2(50) of equal dimension (same length) You will have to find how to do it on ClassPad. Fill list2 with zeros Fill list1 with your data. Sort the list in ascending order (if it is not sorted) Do standard deviation calculation on list1 (or calculate the average) The mean of the data is in a special variable (xbar) From the command line using the list syntax calculate abs(list1-xbar) and store results in list2, overwiting the zeros. Perform standard deviation on the new list2. You will get the mean deviation from the mean in the variable xbar.
A simple request from you. Can you please not use MINUS as a verb? By doing so you are propagating incorrect usage. There is a short and correct way to express the operation: to add.
Hello, Press [2nd][STAT], Select [1-Var] and press [Enter] Press [DATA] 1. Enter value of X1 and press [ArrowDown] 2. Enter frequency of value Repeat steps 1 and 2 until all data are entered. You must press [ENTER] or [ArrowDown] after the frequency of the last point entered.
Press [STATVAR] to display the menu of stat variables. Hope it helps.
for the mean, just add them together and divide answer by the amount of figures you put in.
as for the others, i'm not sure a standard scientific calculator will do that
Texas Instruments TI-86 Statistics How-To Information
The following instructions should allow you to calculate the mean and standard deviation using a TI-86 calculator.
Press STAT
Select EDIT
Enter data into a list: [2.32 ENTER 2.43 ENTER 2.39 ENTER, etc.] Continue until all data have been entered. (use arrows keys to go to the y value, if any)
EXIT
until you reach the main ("blank") screen. (If you try to calculate
while you're in the data menu, it thinks you're still trying to enter
data!)
Press STAT
Select CALC
Select OneVa
Select LIST, NAMES, xStat(F2), Press ENTER
The
calculator provides Max, Min, Mean, Standard Deviation, Sum, Sigma,
etc. You will be primarily interested in the Mean and Standard
Deviation (sx).
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