Re: Which calculator can do a "normal probability plot"?

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Re: Which calculator can do a "normal probability plot"?
From: ToddEStan <toddestn@NOSPAM.VISI.COM>
Date: Tue, 22 Sep 1998 16:49:59 -0500
Organization: SCI
References: <3607b77e.0@news2.uswest.net>
Reply-To: ToddEStan <toddestn@NOSPAM.VISI.COM>
Xref: paladin.american.edu bit.listserv.calc-ti:24971

The 83 is the only one that can do it.  The 86 can't (I found out the
hard way :( , nor can the brand new 89.

Todd

Penser wrote:
>
> Hi,
>
>     Anyone know which calculator can do a "normal probability plot"?  I have
> a TI-86 with the advance stats module, but I don't see how it can do it.  If
> no calc can do it, any suggestions on how to program it?
>
> Info about "normal probability plot":
> ------------------------------------------------
> How do we know if a normal distribution is a reasonable model for data?
>
> Probability plotting is a graphical method for determining whether sample
> data conform to a hypothesized
> distribution based on a subjective visual examination of the data.
>
> Probability plotting typically uses special graph paper, known as
> probability paper, that has been designed for the hypothesized distribution.
>
> To construct a probability plot, the observations in a the sample are first
> ranked from smallest to largest.  Observations are plotted against their
> cumulative frequency.
>
> - Penser

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Which calculator can do a "normal probability plot"?

From: Penser <Penser@SPAM.FILTER.ASU.USWEST.NET>