Examlex
Explain why experimentation is not well suited for the purposes of description and exploration.
Significance Level
The probability of rejecting the null hypothesis when it is actually true, used in hypothesis testing as a threshold for determining statistical significance.
Significance Testing
A statistical method used to determine if the relationship between variables is due to chance or is statistically significant.
T-Test
A statistical analysis designed to evaluate whether the average values of two groups differ significantly.
Degrees of Freedom
The number of values in a calculation that are free to vary without violating any constraints.
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