Which one of the following is the most appropriate as a definition of R^2 (R- squared) in the context that the term is usually used? Select one: a. It is the correlation between the fitted values and...

Which one of the following is the most appropriate as a definition of R^2 (R- squared) in the context that the term is usually used?

Select one:

a. It is the correlation between the fitted values and the residuals

b. It is the proportion of the total variability of y that is explained by the model

c. It is the correlation between the fitted values and the mean.

d. It is the proportion of the total variability of y about its mean value that is explained by the model

Jun 10, 2022

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