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Results tagged with statistical-significance
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user 174421
Statistical significance is a characteristic of a statistic viewed in light of a null hypothesis and a given significance level. It reflects whether the statistic belongs to the rejection region (is statistically significant) or the acceptance region (is not statistically significant).
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Why is chi-squared / z-test used for a/b testing in marketing?
I'm fairly new to statistics. After a lot of research on all the different statistical significance tests out there and how to do them, I wonder why the Z test is so common for a/b testing in the mark …
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