Question about Texas Instruments TI-30XA Calculator
Enter the first number, 1.
Hit the σ+ (Sigma+) key. ( n=1 will appear in the window)
Enter the second number, 1.
standard deviation - image001.giftp://i.fixya.net/uploads/images/image001.gif" alt="image001.gif" class="h_mi" /> Hit the σ+ (Sigma+) key. (n=2 will appear in the windowstandard deviation - image001.gifan>
Enter the last number, 7.
Hit the &sigstandard deviation - image001.gif) key. (n=7 will appear in the window)
Hit 2nd x2 (by hitting the 2nd key ystandard deviation - image001.giflly selecting the x-bar written above the key.) This gives you the mean.
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
The above answer was found on http://www.stat.ufl.edu/~mmeece/2023/Cal...
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Thanks Shugga T. I was wratching my brain and could not figure how to do it on the calculator. I was starting to think I was going to have to do it by hand. You just saved me a lot of time. Thank you, thank you, thank you.
Posted on Jan 26, 2008
Hi there,
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What is the standard deviation of the set 2, 5, 12, 20, 7, 5, 3, 4
standard deviation of 4221.8
12,8,10,12,15,11,8,9,7,6,4,2,5,12,9,3
10.8,10.5,10.9,11.0,11.5,11.2,11.0,10.9,11.5,10.8,10.3,10.9,10.7,10.8,11.1,10.7,11.1,11.7,11.5,11.5
3 writers, 120 pages for print, lot of spelling mistakes, turn-time is 24 hours
trying to manually calculate the standard deviation and the mean of the data set is a repeating decinal
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