mjule27 mjule27

03-10-2020
Social Studies

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how does the standard deviation measure the variability of scores

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Kenma385 Kenma385

03-10-2020

Answer:

The standard deviation is the average amount by which scores differ from the mean. The standard deviation is the square root of the variance, and it is a useful measure of variability when the distribution is normal or approximately normal (see below on the normality of distributions)

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