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LES a — 1 , 9 ) S" <br />N n L ,. n <br />Where: <br />SEsaf = Satterthwaite- approximated Standard Error <br />sbr = bond release site (reclaimed site) sample standard deviation <br />sref = reference area sample standard deviation <br />n =bond release site (reclaimed site) sample size <br />n fef = reference area sample size <br />Next, the Satterthwaite degrees of freedom are calculated as <br />4 <br />( SE <br />br <br />�n,,—I) <br />4 <br />SE <br />4 <br />�SE,��I <br />n,, —1 <br />Where: <br />df = Satterthwaite- approximated degrees of freedom <br />Lastly, a one -sided reverse -null t-test with alpha = 0.20 is used as follows: <br />(Revised: PR -06) 2.05.4(2)(e) - 36 <br />