The independent groups t test is not robust to any violation of the normality and homogeneity of variance assumptions.
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Q100: The alternative hypothesis states that there is
Q101: If we reject the null hypothesis and
Q102: The standard error of the difference becomes
Q103: The independent groups t test assumes that
Q104: The degrees of freedom for the independent
Q106: The t statistic approximately follows a t
Q107: The total variability in the dependent variable,as
Q108: The set of all t values more
Q109: The quantity ó2 can best be estimated
Q110: The sum of squares total represents the
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