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st: whitetst

Subject   st: whitetst
Date   Sat, 16 Nov 2002 17:04:55 +0100

I made for my data a "hettest" and a "whitetst" to control for heteroskedasticity. While the hettest affirm heteroskedasticity (Prob > chi2 = 0.0185) the whitetst assigns a p-Value of .6381. What does this mean? Is my sample heteroskedastic or homoskedastic? What's the null hypothesis of whitetst? If the null hypothesis is homoskedasticity there is a contradiction in the two test results, isn't it? What's the explanation for this?
Thank you for your help!

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