Question about Texas Instruments TI-36X Pro Scientific Calculat

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Posted on Jan 02, 2017

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SOURCE: standard deviation

Enter the first number, 1.

Hit the σ+ (Sigma+) key. ( n=1 will appear in the window)

Enter the second number, 1.

Hit the σ+ (Sigma+) key. (n=2 will appear in the window)

. . . . .

Enter the last number, 7.

Hit the σ+ (Sigma+) key. (n=7 will appear in the window)

Hit 2nd x2 (by hitting the 2nd key you are actually selecting the x-bar written above the key.) This gives you the mean.

Hit 2nd sqrt(x). This gives you the sample standard deviation which we will use in class.

Make sure you turn your calculator off and on for new data sets.

Posted on Jan 26, 2008

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SOURCE: finding standard deviation on Ti-30XA calculator

You can get instructions from;

http://www.geocities.com/calculatorhelp/ti30xa.htm

It's straight forward to follow.

Posted on Apr 18, 2009

SOURCE: how do you calculate standard deviation on a texas

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.

Posted on Sep 22, 2009

If you mean the standard deviation, there are two shifted keys on the third row marked with a lower-case Greek sigma. sigma_xn is the population standard deviation and sigma_xn-1 is the sample standard deviation.

Nov 12, 2013 | Texas Instruments TI-30XA Calculator

To convert an x value to a z-score, the formula is:

(x value - mean)/standard deviation

Example: We have a number of height measurements that have a mean of 65.25 and a standard deviation of 2.84. One value is 68.5. To convert it to a z-score: (68.5-65.25)/2.84 = 1.144

Hope this helps!

(x value - mean)/standard deviation

Example: We have a number of height measurements that have a mean of 65.25 and a standard deviation of 2.84. One value is 68.5. To convert it to a z-score: (68.5-65.25)/2.84 = 1.144

Hope this helps!

Oct 19, 2013 | Texas Instruments TI-36X Pro Scientific...

This is to be expected. A standard deviation of 0 means that all the data points are identical. Asking for the point below which .025 of the data lie is meaningless.

May 25, 2012 | Texas Instruments TI-89 Calculator

Yes. The sample standard deviation is 2nd [sigma x n-1] and the population standard deviation is 2nd [sigma x n].

Apr 02, 2010 | Texas Instruments TI-30XA Calculator

Hello,

Here is a screen capture from the guide. Hope it helps.

Here is a screen capture from the guide. Hope it helps.

Oct 03, 2009 | Texas Instruments TI-30XA Calculator

34 σ+

39 σ+

32 σ+

36 σ+

30 σ+

33 σ+

2nd ÷ (σxn)

39 σ+

32 σ+

36 σ+

30 σ+

33 σ+

2nd ÷ (σxn)

Jun 02, 2009 | Texas Instruments TI-30XA Calculator

Press 2ND [CSR] to clear the stat data.

For each data point, enter the number followed by SIGMA+

If you have grouped data, enter the number followed by 2ND [FRQ] followed by the frequency then SIGMA+

Press 2ND [sigma x n] for the population standard deviation or 2ND [sigma x n-1] for the sample standard deviation.

For each data point, enter the number followed by SIGMA+

If you have grouped data, enter the number followed by 2ND [FRQ] followed by the frequency then SIGMA+

Press 2ND [sigma x n] for the population standard deviation or 2ND [sigma x n-1] for the sample standard deviation.

May 25, 2009 | Texas Instruments TI-30X-IISTK Scientific...

You can get instructions from;

http://www.geocities.com/calculatorhelp/ti30xa.htm

It's straight forward to follow.

http://www.geocities.com/calculatorhelp/ti30xa.htm

It's straight forward to follow.

Apr 18, 2009 | Texas Instruments TI-30XA Calculator

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).

Nov 15, 2007 | Texas Instruments TI-86 Calculator

StdDev( {1,2,3,4,5,6,7,8,9,10} )

with your list inside the curly braces.

with your list inside the curly braces.

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

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