Re: Standard deviation

Re: Standard deviation

• To: CALC-TI@LISTS.PPP.TI.COM
• Subject: Re: Standard deviation
• From: Todd Stanley <toddestan@AOL.COM>
• Date: Tue, 2 Jun 1998 19:00:10 -0500
• Organization: SCI
• References: <3573d748.0@news.i-way.co.uk> <35746C2A.36BCEAA5@ameritech.net>
• Reply-To: Todd Stanley <toddestan@AOL.COM>
• Xref: paladin.american.edu bit.listserv.calc-ti:23269

Tucker wrote:
>
> Make a list (xstat) with all your numbers in it. Then go to fstat and
> put all ones in that column so the number of numbers in xstat=the number
> of one's in fstat. Then type OneVar(xstat) and look for Sx. That is your
> stdev of x.

That sounds more like the 86.  Put the variables into Xstat, the
frequencies into Ystat.  Choose Calc, hit enter and enter, and OneVar.
If you want, you could use a Fstat by editing the screen where you
choose your Xlist and Ylist.

Todd



>
> Ben Wyatt wrote:
> >
> > Can anybody tell me how to do standard deviation in the ti-85. I have tried
> > several times to get it to work but I can't.
> >
> > Any help appreciated.
> >
> > Ben
> > wyatt@patrol.i-way.co.uk

• Standard deviation
• From: Ben Wyatt <wyatt@I-WAY.CO.UK>
• Re: Standard deviation
• From: Tucker <tucker1@ameritech.net>

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