Jan-paul Van Wingerden

12-21-1998, 03:14 AM

Dear BIOMCH readers,

>From the first replies to my question about a formula to calculate

percentiles I discovered I haven't been specific enough.

The answers I got concerned the formula for the normal curve. I want to

thank the replicants for their information, but regrettably I already

had that curve. What I'm looking for is the cumulative probability

function for a normal distribution. Somewhere I read that it may be the

inverse function of the normal function but that's beyond my mathmatics

knowledge.

The graph from which I need the formula looks like this

(use proportional fonts:)

* ****************

* **********

* *****

* ***

* **

* **

* **

* **

*************************************

Any suggestions?

With kind regards,

Jan-Paul van Wingerden

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>From the first replies to my question about a formula to calculate

percentiles I discovered I haven't been specific enough.

The answers I got concerned the formula for the normal curve. I want to

thank the replicants for their information, but regrettably I already

had that curve. What I'm looking for is the cumulative probability

function for a normal distribution. Somewhere I read that it may be the

inverse function of the normal function but that's beyond my mathmatics

knowledge.

The graph from which I need the formula looks like this

(use proportional fonts:)

* ****************

* **********

* *****

* ***

* **

* **

* **

* **

*************************************

Any suggestions?

With kind regards,

Jan-Paul van Wingerden

---------------------------------------------------------------

To unsubscribe send SIGNOFF BIOMCH-L to LISTSERV@nic.surfnet.nl

For information and archives: http://isb.ri.ccf.org/biomch-l

---------------------------------------------------------------