Examlex
The majority of assessment information collected by most teachers comes from:
Sample Size
The number of observations or items selected from a larger population for the purpose of statistical analysis.
Directional Hypothesis
A hypothesis that specifies the direction of the expected difference or relationship.
Null Hypothesis
The null hypothesis is a statement suggesting that no statistical significance exists in a set of given observations, representing a default position that there is no association between two measured phenomena.
Type II Error
The error made when a false null hypothesis is not rejected, missing the detection of a real effect.
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