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MathGroup Archive 2006

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Re: MeanTest Function not Working

  • To: mathgroup at smc.vnet.net
  • Subject: [mg68397] Re: MeanTest Function not Working
  • From: Gregory Lypny <gregory.lypny at videotron.ca>
  • Date: Thu, 3 Aug 2006 06:07:30 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Thanks for your reply, Jean-Marc.

Actually, what I showed in my e-mail was the output.  My original  
input tested for a mean of zero, so I had something like Mean[x, 0]  
which then returned Mean[{list of numbers}] rather than the answer.

Regards,

	Gregory

On Wed, Aug 2, 2006, at 8:09 AM, Jean-Marc Gulliet wrote:

> Hi Gregory,
>
> At least in Mathematica version 5.2, the built-in function MeanTest  
> requires TWO parameters, that is the data and the mean. Your "example"
> exhibits only a list of numbers. From the online help
>
> "MeanTest[list, mu0, options] returns a probability estimate (p- 
> value) and other hypothesis test information for the relationship  
> between the hypothesized population mean mu0 and Mean[list]."
>
> Regards,
> Jean-Marc


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