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Describe the classifications of mental retardation.What is the utility of such a range,and how has the position of the American Association of Mental Retardation changed this position?
Critical Values
Thresholds in hypothesis testing which, if exceeded by the test statistic, indicate that the null hypothesis can be rejected.
Standard Deviation
A metric that quantifies how spread out a dataset is in comparison to its average value.
Standard Error
The standard deviation of the sampling distribution of a statistic, often used to calculate confidence intervals or test hypotheses.
Null Hypothesis
The default position that there is no difference or effect and that any observed differences are due to chance.
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