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A Distribution of Scores That Clusters Around the Average Test

question 161

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A distribution of scores that clusters around the average test scores,with fewer scores found far from average,describes ____.


Definitions:

Test Power

The likelihood that a statistical test will correctly reject a false null hypothesis, identifying an effect when it is present.

Level of Significance

The threshold used in statistical hypothesis testing to decide whether to reject the null hypothesis, typically denoted by alpha (α) and set prior to conducting a test.

Measure of Performance

A metric used to evaluate the effectiveness, efficiency, or quality of a procedure, process, or activity.

Standard Deviation

An indicator of the spread or variability among a collection of numbers, reflecting the degree to which these numbers deviate from their average.

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