If you find a correlational relationship between two variables, which of the following statements is correct?

Which of the following statements about the correlation coefficient is correct?

Given four scatterplots labeled $A$, $B$, $C$, and $D$, each showing a different relationship between two variables, which plot most likely represents the strongest linear correlation (either positive or negative) between the variables?

Based on the scatterplot, select the most likely value of the linear correlation coefficient $r$.

Correlation analysis is used to determine which of the following between two variables?

Which of the following best describes the possible range of values for the correlation coefficient $r$?

In a regression and correlation analysis, if $r^2$=1, then which of the following statements is true?

The correlation coefficient $r$ is a measure of the extent to which two factors: