Which of the following statements about correlation and regression analysis is t

Question

Which of the following statements about correlation and regression analysis is true?

Regression is used to help explain variation in the dependent variable

Regression cannot measure a negative relationship between two variables

Correlation measures "cause and effect"

Correlation measures strength but does not measure direction of the relationship

Regression is used to help explain variation in the dependent variable

Regression cannot measure a negative relationship between two variables

Correlation measures "cause and effect"

Correlation measures strength but does not measure direction of the relationship

Explanation / Answer

The correct option is

A. Regression is used to help explain variation in the dependent variable

because R-sq measures variation in the dependent variable that can be explained by independent variable.

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