Reference Entry

standard deviation

Graham Upton and Ian Cook

in A Dictionary of Statistics

Second edition

Published in print January 2008 | ISBN: 9780199541454
Published online January 2008 | e-ISBN: 9780191726866
standard deviation

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The square root of the *variance. Karl *Pearson introduced the term in 1893, using the symbol

Reference Entry.  25 words. 

Subjects: Probability and Statistics

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