Examlex
Organize the following divisions of the nervous system in a hierarchy to show the relationships between them: central, peripheral, autonomic, sympathetic, parasympathetic, and somatic.
Sample Size
The number of observations or data points that constitute a sample in a statistical study.
Z-test
A statistical test used to determine if there is a significant difference between sample and population means.
Level of Significance
A threshold of probability set by the researcher to determine the cutoff at which an observed result is considered statistically significant.
Degrees of Freedom
A concept in statistics that represents the number of independent values or quantities that can vary in the calculation of a statistic.
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