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How to find the mean on the calculator - Texas Instruments TI-30XA Calculator

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Press SHIFT x^2 to use the mean function.

Refer to the "One-Variable Statistics" section in the manual (page 9).

Posted on Aug 30, 2010

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Find mean ti30xa


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].

See the example on page 11 of this guidebook.

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How to I stop my sharp EL-531X calculator from rounding when converting from decimal to scientific notation?


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I have 50 data points for which i need to find standard deviation on a classpad 330 , is there any quicker way to calculate than minusing the mean from every data point?


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.

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How to calculate mean using sentry ca656 calculator


press shift and cal in stat mode then presss value and them m+ then value the m+ them press x-m buttom its mean......

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Turn off deg


If you mean "BEG" then press g [END] (the blue "g" key followed by the "8" key) to switch to the end payment mode.

If you do mean "deg" but on a different calculator, then please reply to this post and specify the calculator.

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I want to calculate mean value and standard deveation of empty crates 50numbers


Full instructions are in the "Statistical Calculation" section beginning on page E-44 of the manual. If you need a manual, you may download a copy here.
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Standard Deviation


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.
  1. Press STAT
  2. Select EDIT
  3. 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)
  4. 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!)
  5. Press STAT
  6. Select CALC
  7. Select OneVa
  8. Select LIST, NAMES, xStat(F2), Press ENTER
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