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Two Sample Hypothesis TestingIn a two-sample hypothesis test, two parameters from two populations are compared. For a two-sample hypothesis test,
the null hypothesis H0 is a statistical hypothesis that usually states there is no difference between the parameters of two populations. The null hypothesis always contains the symbol , =, or .
the alternative hypothesis Ha is a statistical hypothesis that is true when H0 is false. The alternative hypothesis always contains the symbol >, , or <.