Add or Subtract. -

question 117

Multiple Choice

Add or subtract.
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Definitions:

Wilcoxon Rank Sum Test

A non-parametric test used to compare two independent groups and determine if there are differences in their population median values.

Two Populations

Refers to distinct groups being studied, where comparisons are often made between the statistical properties of these groups.

Kruskal-Wallis Test

A nonparametric method for testing whether samples originate from the same distribution, an extension of the Mann-Whitney U test to multiple groups.

Alternative Hypothesis

A statement that contradicts the null hypothesis, suggesting that there is a significant effect or difference.