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Describe the effect of alcohol on pregnancy.
Wilcoxon Rank Sum Test
A non-parametric statistical hypothesis test used to compare two independent samples, based on the ranks of their combined observations.
Standard Deviation
A tool to evaluate the distribution's breadth or heterogeneity of a set of data.
Wilcoxon Rank Sum Test
A non-parametric statistical test used to compare two independent samples to determine if they come from the same distribution.
Null Hypothesis
A default hypothesis that there is no significant difference or effect, often represented as H0 in statistical tests, to be tested against an alternative hypothesis.
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