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The square of the correlation coefficient r 2 will always be positive and is called the ________

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The square of the correlation coefficient r 2 will always be positive and is called the ________

(a) Regression

(b) Coefficient of determination

(c) KNN

(d) Algorithm

The question was asked during an internship interview.

My question comes from Linear Regression in chapter Commands, Packages, Visualizing Data and Linear Regression of R Programming

1 Answer

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Best answer
Correct option is (b) Coefficient of determination

The explanation is: The square of the correlation coefficient r square will always be positive and is called the coefficient of determination. This also is equal to the proportion of the total variability that’s explained by a linear model.

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