11. Correlation

Suppose a scatterplot shows a strong positive linear relationship between variables $x$ and $y$. Which statement is supported by information presented in the graph?

Given a scatterplot of $\mathrm{price}$ versus $\mathrm{mileage}$ for $20$ used sedans, what type of correlation would you most likely expect to observe between $\mathrm{price}$ and $\mathrm{mileage}$?

When preparing a scatterplot to examine the relationship between two quantitative variables, which variable is typically placed on the horizontal ($x$) axis?

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?