Oneway ANOVA - SPSS (part 2)
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Oneway ANOVA - SPSS (part 2) explains how to handle unequal variances and sample sizes in group comparisons using robust tests like Welch’s and Brown-Forsythe to confirm statistically significant mean differences.
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The important point here is that we have two tests that help us back up our significant effect. Because we have statistically significant different variances, we use the Welsh and/or the Brown-Forsythe test to help us reject the null hypothesis and be confident that there is actually a statistically significant difference in the means.
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