Thursday, September 30, 2010

Dispersion Versis Standard Deviation

What is the difference between dispersion and standard deviation?

A. There is no difference.
B. Dispersion is a very high standard deviation
C. Standard deviation is one metric that can be used to describe dispersion.
D. Dispersion is a type of standard deviation.













Answer: C. Dispersion is the general description of how data is spread out. Measures of dispersion include standard deviation, range, variance, and more. A higher standard deviation means that the data is more dispersed; a lower standard deviation means the data is more clumped.

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