Question about Casio Office Equipment & Supplies
There is a STAT button where I can choose VAR, then I can choose the population SD formula: ymeansymboln-1.....what do I do now to perform the calculation? The manual that came with is no help...it shows me how to get that formula on the screen...but not what to do with it from there.
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Posted on Jan 02, 2017
I am happy that you found my solution helpful and even flattered that you copied it in this thread. By doing this, you gave me the opportunity to discover an error in my post. In fact, the calculator does provide a column for the frequency. If you enter nothing in the frequency column, all data items will have their frequency set to 1, by default.
Back to the current subject: How to get the variance (the square of the standard deviation).
When you finish entering your data:
While the symbol xSigma_n or xSigma_n-1 is still displayed with the blinking cursor to its right, press the [x^2] key above the [HYP] key. The screen displays say xSigma_n ^2. Press [=] to calculate the variance.
As my motto says, I am always happy to help, but happier still when people show true appreciation.
Hope it helps.
Posted on Dec 12, 2009
I took statistics last semester and I don't really remember how, but after you enter your data, you press SHIFT, then STAT (on the 1 key), then I think it's under 5 (VAR), and maybe Xon-1? Eh, funny how long you remember this stuff for....
Posted on May 03, 2009
Not knowing what kind of probability calculations you want to perform, I can only show you how to access the distributions that this calculator has to offer.
After you enter your data and do the usual statistics, you press SHIFT STAT and select 7:Distr. You get acces to
4: X to t, the variate.
See the exemples in the Appendix to the user's manual, in particular #059.
Hope it helps.
Posted on Oct 28, 2009
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