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Studentized range statistic q

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Francis PEREE

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Feb 13, 2005, 12:26:56 PM2/13/05
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Hello,

In Howell's book (Statistical Methods for Psychology), one can find a table
of the "Critical values of the studentized range statistic q". However, this
table is limited to 15 number of steps between ordered means.
I need more steps than 15 ... and i don't have the "Pearson E.S., Hartley
H.O., Biometrika Tables for Statisticians, third edition, volume 1,
Cambridge University Press, 1970" (witch is expensive to buy)

Does somebody know how is it possible to find critical values of statistic q
for number of steps greater than 15 ?

Thanks in advance for your response.

Francis PEREE - Belgium

Dave Schwarz

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Feb 14, 2005, 9:01:19 AM2/14/05
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Francis,

The critical value for the studentized range distribution can be
calculated for any number of ordered means or intervals using the SAS
function PROCMC.

Check the following link:
http://support.sas.com/91doc/getDoc/lrdict.hlp/a001016947.htm#a001017231

Dave Schwarz

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