Examlex
Neuroscientists have linked some mental disorders to deficient or excessive activity of different neurotransmitters.What causes these problems with brain anatomy and chemical functioning?
Two-sided
Pertaining to tests or intervals in statistics that consider both directions or sides of a distribution, typically involving a range of values both above and below a certain point.
Population Mean
The average of a set of properties, characteristics, or values in a population.
Null Hypothesis
A statement in statistics that there is no significant difference or effect, used as a default assumption until evidence suggests otherwise.
Alternative Hypothesis
An assertion stating a significant difference or relationship exists in the context of statistical testing, contrary to the null hypothesis's claim of no effect.
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