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st: critical value

From   "Lynn Lee" <>
To   <>
Subject   st: critical value
Date   Mon, 22 Oct 2012 17:48:52 +0800

Dear Nick and Maarten,

Thank you for reply.

Form p-value, z=1.7 is not significant. But when I check z-table, value 1.7
meets with area between mean and 1.7 equals 0.4554.  Looks like it is at 10%
significance level.  But why p-value shows it is insignificant? I think
there must be something wrong when I interpret the result from z-table. But
I can not figure it out. Can you help me with this? Thank you.

Best Regards,
Lynn Lee

-----Original Message-----
[] On Behalf Of Nick Cox
Sent: Monday, October 22, 2012 5:00 PM
Subject: Re: st: critical value

Alongside the column reporting the z statistics is a column headed "P
> |z|" which gives this information.


On Mon, Oct 22, 2012 at 9:50 AM, Lynn Lee <> wrote:

> I forgot to mention anther question related with ologit model. The 
> estimation reports z-statistics. I am not sure about the critical 
> value of z-statistics. If z-statistics equals 1.7, then it falls with 
> range of two standard deviation of the mean. But how to know whether 
> it is significant at 10% or 5% level?
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