Examlex
Name and describe the two types of machines used in bone density tests.
Test-retest
A method used in psychological testing where the same test is administered to the same subjects at two different points in time to assess consistency.
Reliability
The consistency and dependability of a measure or test over time and across different conditions or administrations.
Variability of Data Set
The degree to which the numbers in a data set differ from each other and from their average; a measure of the spread or dispersion within the given information.
Standard Deviation
A statistic that measures the dispersion or variability within a dataset, indicating how much individual data points deviate from the mean of the data.
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