9.4Case Study 2:Randomization Test for the Equality
of Two Populations
Randomization tests (Edgington 1995 and Good 2001)can also be used to obtain
p-values. Suppose you want to test for the equality of two normal distributions, assuming
each distribution has the same unknown variance. In this case, the pooled variance t-test
is commonly used. If youhave n
1
(n
2
) observations f ...
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