Examlex
In a database, the collection of data for all columns is called a file.
Null Hypothesis
A hypothesis that suggests there is no statistical significance in a set of given observations, serving as a default position until evidence suggests otherwise.
Research Hypothesis
A specific, testable prediction about the outcome of a scientific study based on theory or prior research.
Significance Level
The threshold at which the results of statistical analysis are considered statistically significant, commonly set at α = 0.05 or 5%.
Degrees Of Freedom
Represents the count of values in a calculation that are free to vary without infringing on preset constraints.
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