The amount of disperson of scores about a central value is measured by :
The amount of dispersion or spread of scores around a central value (specifically the arithmetic mean) is measured by the Standard Deviation. Percentile ranks and quartiles…
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The amount of disperson of scores about a central value is measured by :
Answer and explanation
Correct answer B
The amount of dispersion or spread of scores around a central value (specifically the arithmetic mean) is measured by the Standard Deviation. Percentile ranks and quartiles are measures of relative position (though quartile deviation measures spread), and skewness measures asymmetry.
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