Examlex
The primary mode of HIV transmission worldwide is male-female intercourse.
Unrelated Groups
Groups in a study that are independent from each other, where the participants in one group are not matched or linked to those in other groups.
Hypothesis Testing
A statistical method that uses sample data to evaluate a hypothesis about a population parameter.
Critical Value
A threshold in statistics that the test statistic must exceed for the null hypothesis to be rejected in significance testing.
Type I Error
The incorrect rejection of a true null hypothesis, also known as a "false positive."
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