Examlex
Crack cocaine presents fewer hazards in its preparation than does freebase cocaine.
Independent Samples
Two or more groups of data that are collected from separate populations, where the participants in one group do not affect the members of another group.
ANOVA
Analysis of Variance (ANOVA) is a statistical method used to test differences between two or more means by analyzing variances.
Chi-square Test
A statistical test used to determine the significance of the association between categorical variables.
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