Choose all that apply when describing R^2. Can be inflated by adding more variab

Question

Choose all that apply when describing R^2. Can be inflated by adding more variables. In simple linear regression, it is equal to the correlation coefficient r^2. Can be inflated by removing variables. Is used to determine the fit of a model. Only describes the relationship between quantitative variables. Is only used in multiple linear regression. Referred to as the coefficient of determination or coefficient of multiple determination. Represents the percent of variability in y that can be explained by the model.

Explanation / Answer

here option 1 and 3 are not true

option 5 and 8 are true in place of that

2) R2 =1-ESS/TSS =RSS/TSS

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