Examlex
Central tendency errors are the most difficult form of error to eliminate.
Dependent-Samples T-Test
A numeric examination technique for assessing whether the mean values of two correlated groups differ significantly.
Regression
A statistical method used to determine the relationship between two or more variables, where one or more independent variables are used to predict the outcome of a dependent variable.
Analysis of Variance
A statistical procedure used to compare the means of three or more samples to determine if at least one of the sample means is significantly different from the others.
Null Hypothesis
A default hypothesis that there is no significant difference or effect, used as a starting point for statistical testing.
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