Who introduced the concepts of standard deviation and coefficient of variation (CV)?

Statistics Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Statistics Mcqsstatistics-mcqs
Published
20 Dec 2021
Last updated
28 May 2026

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Explanation

Standard deviation is a statistical measure that quantifies the amount of variation or dispersion in a set of data. The term 'standard deviation' was first coined and used in writing by Karl Pearson in 1894, who also introduced the coefficient of variation.

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