Formal test for pooled variance?

Hi, after looking up 3 textbooks, I'm getting only vague answers on when to
use pooled or heteroskedastic variance. Isn't there a formal mathematical
test for assessing whether the variance of two samples are the same?

Thanks


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Relevant Pages

  • Formal Test for Pooled Variance?
    ... Hi, after looking up 3 textbooks, I'm getting only vague answers on when to ... use pooled or heteroskedastic variance. ... test for assessing whether the variance of two samples are the same? ...
    (sci.stat.math)
  • Re: Formal test for pooled variance?
    ... Shiquiliq wrote: ... > Hi, after looking up 3 textbooks, I'm getting only vague answers on ... > when to use pooled or heteroskedastic variance. ...
    (sci.stat.edu)