Mathematics · Correlation Coefficients
Which of the following properties correctly describes Karl Pearson's coefficient of correlation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is a dimensional variable expressed in square units.
- 2It changes value when the scale of measurement is multiplied by a positive constant.
- 3It depends directly on the units of measurement of both variables.
- 4It is a pure unitless number and is independent of the scale and origin of measurement.✓
Correct answer
It is a pure unitless number and is independent of the scale and origin of measurement.
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