Examlex
When testing for differences between the means of 2 related populations,you can use either a one-tail or two-tail test.
Intelligence Score
A measure that reflects a person's cognitive abilities and potential, often derived from standardized tests.
Stranger
A person whom one does not know or with whom one is not familiar, often invoking a sense of unfamiliarity or caution.
Vary
To exhibit differences or changes in characteristics, amount, or other measurable attributes under different conditions or over time.
Chronological Age
The amount of time that has passed since an individual's birth, measured in years.
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