Examlex
Choose and define either global warming or thinning of the atmospheric ozone layer.Describe the underlying causes of the problem,potential health effects,and key prevention strategies.Include at least three practical steps for prevention that individuals can take.
Mann-Whitney U Test
A nonparametric test used to compare differences between two independent groups when the dependent variable is either ordinal or continuous, but not normally distributed.
Paired-difference Experiment
An experimental design where the observations are made in pairs, and the analysis is based on the differences within each pair.
Rejection Region
The range of values for which the null hypothesis is not considered likely and is rejected in a statistical test.
Nonparametric Tests
Statistical tests that do not assume the data come from a particular distribution, often used when dealing with ordinal data or when the normality assumption is violated.
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