Question about Texas Instruments TI-84 Plus Silver Edition Graphic Calculator

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I dont know how to find the standard deviation, I have been given a list but I dont know how to compute them into the calculator

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You can use the stdDev( function found on the LIST MATH menu. Press 2ND LIST Left-arrow to get to that menu.

Posted on Jan 23, 2010

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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.

May 05, 2012 | Casio ClassPad 300 Calculator

1 Answer

How to calculate the standard deviation? casio power graphic fx-7400G Plus


Here are the capabilities of the Casio calculators.
The screen captures may not look like ones taken from the FX-7400G
plus display but the instructions are accurate.
In stat enter the values in List1 and the frequencies in List2 (if doing paired variable statistics)
Press the key corresponding to the CALC tab

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Press the 1-var tab and you get the results as seen on the screen with title 1-variable.
Other screens show some two-variable stats or regressions.

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Use you knowledge of sample standard deviations and
population standard deviation to select which is relevant to your case.
They are given by xsigma-n and xSigma n-1
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Aug 15, 2011 | Casio FX-7400G Plus Calculator

1 Answer

How do I compute population standard deviation on the TI 84 plus?


Put the data into a list using whatever scheme you prefer. Press STAT right-arrow to bring up the STAT CALC menu. Select "1-Var Stats" and specify the list containing the data. You'll get a screen showing the various statistical values. The population standard deviation is designated by a lowercase sigma.

Jun 01, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do i solve standard deviation with this calculator


The stdDev( function in the LIST MATH menu will calculate the standard deviation of a list. You can provide a second list if the data is grouped.

For detailed information refer to the "Lists", "Statistics", and "Infererential Statistics and Distribution" chapters in the guidebook. If you've misplaced your guidebook you can download a copy from
http://education.ti.com/educationportal/downloadcenter/SoftwareDetail.do?website=US&tabId=2&appId=6125

Sep 11, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

How to compute standard deviation given a set of numbers?


  1. Calculator must be in SD mode (standard deviation mode) :Press [MODE] [.]
  2. However, if [FIX] or [SCI] appears on display you must press [MODE][9] first.
  3. Data input always starts with [SHIFT][SAC], to clear the registers of old data.
  4. Type a number and press the [DATA] key, it is the [M+] key at the bottom right of keypad.
After you finish entering the data

Press [SHIFT] [9] (sigma n-1) to get sample standard deviation
Press [SHIFT][8] (sigma n] for the population standard deviation
Press [SHIFT] [7] (xbar) for the mean
Press [SHIFT] [6] (n) for the number of data entries
Press [SHIFT] [5] (capital sigma x) for the sum of values
Press [SHIFT] [4] (capital sigma x to y) for the sum of squares of the values

For additional information you might consider taking a look at the calculator manual

Jan 15, 2009 | Casio FX-260 Calculator

1 Answer

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
  9. The calculator provides Max, Min, Mean, Standard Deviation, Sum, Sigma, etc. You will be primarily interested in the Mean and Standard Deviation (sx).

Nov 15, 2007 | Texas Instruments TI-86 Calculator

2 Answers

Standard deviation


StdDev( {1,2,3,4,5,6,7,8,9,10} )
with your list inside the curly braces.

Nov 10, 2007 | Texas Instruments TI-30 XIIS Calculator

1 Answer

Standard deviation


1. Put the data into a list.
2. OneVar list will produce a screenful (and more) of one-variable statistics.

OneVar is available through the STAT CALC menu. "list" in step 2 is the name of the list created in step 1.

Oct 25, 2007 | Texas Instruments TI-86 Calculator

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