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Date:         Thu, 17 Oct 2002 08:47:20 -0700
Reply-To:     "Parise, Carol A." <PariseC@sutterhealth.org>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         "Parise, Carol A." <PariseC@sutterhealth.org>
Subject:      Re: paired t-test
Comments: To: Ahmed El-Masry <elmasry10@hotmail.com>
Content-Type: text/plain; charset=us-ascii

t-test pairs unexpected with expected.

> -----Original Message----- > From: Ahmed El-Masry [SMTP:elmasry10@hotmail.com] > Sent: Thursday, October 17, 2002 4:49 AM > To: SPSSX-L@LISTSERV.UGA.EDU > Subject: paired t-test > > Hello, > I have regression coefficients for 401 companies of two variables and now I need to do paired t-test to test whether there are significant differences regarding these two variables or not for each company. I have got the standard error for each variable. > > here is a example for my data > > > Name > > Unexpected expected > 10 Group -0.26071 -0.1979 > 4imprint Group -0.03656 0.1340 > 600 Group 0.42044 0.2683 > Abbot Group -0.01274 -0.1133 > Actionleisure -0.49585 -0.0412 > African Lakes 0.21060 -0.1736 > Aga Foodservice 0.24788 -0.0851 > Aggregate Industries 0.56641 -0.6566 > Airflow Streamlines -0.23868 -0.0781 > Albert Fisher 0.38284 -1.1290 > Albion -0.07419 0.3916 > Alexon Group -0.05320 0.0568 > Alldays -0.21982 -0.1875 > Allied Domecq 0.37073 0.0519 > Alvis -0.17385 -0.1136 > Andrews Sykes 0.11856 0.0615 > Anite Group 0.22265 -0.2341 > . > . > . > and so on > > Thank you in advance for your help, > > Ahmed > > > _____ > > Surf the Web without missing calls! Get MSN Broadband. Click Here <http://g.msn.com/8HMAEN/2022>


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