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mean square

American  

noun

Statistics.
  1. the mean of the squares of a set of numbers.


Etymology

Origin of mean square

First recorded in 1835–45

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Unlike a standard error, a root mean square error does not easily translate into a traditional statistical confidence interval for the vote count for an individual candidate or the vote differential between two candidates.

From Seattle Times

However, a mean square error is a measure of uncertainty that incorporates the variability associated with the poll estimates, as well as the bias associated with the estimates derived from a nonprobabilty sample.

From Seattle Times

AUC, area under curve; Gini, Gini coefficient; RMSE, root mean square error.

From Nature

AUC, area under curve; Gini, Gini coefficient; RMSE, root mean square error.

From Nature

It war only this—look me in the face, and tell me on the word of a man you mean square with me.

From Project Gutenberg