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Standard deviation on a logik LK 183/185 calculator

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: standard deviation

image001.gif Enter the first number, 1.
image001.gif Hit the σ+ (Sigma+) key. ( n=1 will appear in the window)
image001.gif Enter the second number, 1.
image001.gif Hit the σ+ (Sigma+) key. (n=2 will appear in the window)
image001.gif . . . . .
image001.gif Enter the last number, 7.
image001.gif Hit the σ+ (Sigma+) key. (n=7 will appear in the window)
image001.gif Hit 2nd x2 (by hitting the 2nd key you are actually selecting the x-bar written above the key.) This gives you the mean.
image001.gif Hit 2nd sqrt(x). This gives you the sample standard deviation which we will use in class.
image001.gif 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

  • 7993 Answers

SOURCE: HOW DO I CALCULATE STANDARD DEVIATION ON MY TI34II

Hello,
Here is an exemple taken from your calculator s guide book
f1dd02c.jpg There is no substitute for reading the user guide.
Hope it helps.

Posted on Sep 14, 2009

  • 1 Answer

SOURCE: standard deviation

standard deviation

calculate mean of a data set:

1. Turn calc. on or press MODE SeTUP
2.Press 3 for STAT
3. Press 1 for VAR
4.Enter values for X column
5. WHen done entering press SHIFT 1
6.Press 5
7.Press 2 to calculate the mean
8.Press =

Posted on Sep 19, 2009

  • 7993 Answers

SOURCE: Standard Deviation

Hello,
You must first enter the data you are doing statistics on.

ffb68b8.jpg

After you finish entering the data, do as the figure below describes.
c6b761d.jpg

Hope it helps.

Posted on Sep 20, 2009

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Hi. Please find the user's manual. There must be a description about
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Where is s on the ti-30xa calculator


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.

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Does this calculator comes with a standard deviation or population standard deviation button


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

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Is there a formula for standard deviation problems


Hello,
Of course there are formulas for those calculations. You find them in books on statistics. Do not worry, the calculator has been programmed to use them. All you have to do is learn how to get the calculator to give you the results.

If you still want to see the formulas with your very eyes, I suggest you go to the local library, ask a math teacher, an accountant, or launch a Google search for them.
Hope it helps.

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1 Answer

Standard Deviation


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.

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I want to calculate a standard deviation on BA II plus

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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).

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2 Answers

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

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Standard Deviations


This calc will do standard deviations. In the manual it is on page 2 and also on page 40.

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