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A student taking a course entitled "Ancient History" is administered a history test.Years later,data from this test is reviewed by assessment professionals who are preparing a case study on the testtaker.In their report,the "Ancient History" test is referred to as
Measures of Center
Quantitative measures that describe the central tendency of a data set, including mean, median, and mode.
Measures of Variability
Statistical indicators that describe the spread or dispersion within a dataset, such as range, variance, and standard deviation.
Standard Deviation
A measure of the dispersion or variability in a set of data points, representing the average distance from the mean.
Variance
A metric that quantifies the spread of data points, by calculating the mean of squared variations from the central value.
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