Examlex
Positron-emission tomography is a method for analyzing biochemical activity in the brain,using injections of a glucose-like substance containing a radioactive element.
Directional
Refers to tests or hypotheses that specify the expected direction of the relationship between variables (e.g., greater than, less than).
Directional
In research, directional usually refers to a hypothesis that specifies the direction of an expected difference or relationship.
µ > 164
A mathematical condition indicating that the population mean is greater than 164.
One-tailed
Describes a hypothesis test or statistical analysis where the significance is tested in only one direction, indicating the expected direction of an effect.
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