Examlex
________ are arranged within a lobule of the liver into a series of irregular plates converging toward a central vein.
Independent Variable
The variable in an experimental setting that is manipulated to observe its effect on a dependent variable.
Random Error
Variability in data that arises from unpredictable fluctuations in the measurement process.
Null Hypothesis
A statement in statistics that proposes there is no significant effect or difference between specified populations, any observed difference being due to sampling or experimental error.
Observed Difference
The apparent discrepancy or variation between two groups or conditions in an experiment or study.
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