11. Correlation

Which term refers to a pictorial representation of a given set of data involving $2$ variables?

$$Which of the following scatterplots shows the weakest positive linear association between two variables?$$

Suppose a scatterplot displays a strong, positive linear relationship between two variables. Which of the following statements is best supported by the data shown in the graph?

Scatterplots are used to determine which of the following about two quantitative variables?

On a scatterplot, are costs typically plotted on the $x$-axis?

Given four scatterplots labeled A, B, C, and D, and the following correlation coefficients: $0.9$, $-0.8$, $0$, and $0.4$, which correlation coefficient most likely corresponds to a scatterplot showing a strong negative linear relationship?

Which of the following best describes a scatterplot and its primary use in statistics?

Which of the following scatterplots best illustrates an outlier in the $y$-direction?

Given a scatterplot of two numeric variables where the points form a pattern that rises from left to right, what type of relationship is represented?

Which of the following statements about scatterplots and $r$ (correlation) is correct?

Which of the following best describes a nonlinear association in a scatterplot?