Who give the concept of standard deviation and CV?
Correct answer: C. Karl Pearson
- A. R.A Fisher
- B. John Tukey
- C. Karl Pearson
- D. All of the above
Explanation
Karl Pearson is credited with introducing the standard deviation and the coefficient of variation as measures of statistical dispersion. Fisher and Tukey made major contributions elsewhere in statistics, but they are not the expected answer here.
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