Re: TI-M: Stats Question
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Re: TI-M: Stats Question
download Stat/List Editor, you will never EVER regret it. It does
everything the 83 can and more, faster too. the syntax is nearly identical:
normPdf(x[,mu, sigma])
hope this helps - DL
----- Original Message -----
From: <JayEll64@aol.com>
To: <ti-math@lists.ticalc.org>
Sent: Monday, September 11, 2000 7:16 PM
Subject: Re: TI-M: Stats Question
>
> In a message dated 9/11/00 4:05:54 PM Mountain Daylight Time,
> danb2k@hotmail.com writes:
>
> > I think it's 1/sqrt(2*pi*e^(x^2))
>
> That would be the one ;)
>
> > However, iff you have an 83 or 83+, you can just use normalpdf()
>
> I have an 89...anyone know if there's a function to go between z-scores
and
> percentages (of area of the normal curve) on the 89?
>
> I was trying to figure out what the function was for a normal curve was
> yesterday and tried solving for equations like y = e^(-a*x^(2b)) and y =
> a/(cosh(bx)^2)...didn't occur to me that it was y = a*e^(-b*x^2) ;) Oh
> well...
>
> JayEll
>
>
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