2. Describing Data with Tables and Graphs

Which of the following is an example of qualitative data?

Which types of variables are required to create a scatter plot?

Which of the following is a primary benefit of using graphs of frequency distributions when visualizing data?

Which of the following best describes the difference between qualitative and quantitative data, and provides a correct example of each?

In the context of visualizing qualitative and quantitative data, which term describes the graphical representation of data?

Which of the following is an example of $\mathrm{quantitative}\mathrm{data}$?

Causation A study has shown that there is a correlation between body weight and blood pressure. Higher body weights are associated with higher blood pressure levels. Can we conclude that gaining weight is a cause of increased blood pressure?

A data set of the least purchased menu items at a bakery is best shown as a _______.

Months of the year are an example of which type of data?

Which of the following graphical displays is most appropriate for visually assessing whether a distribution of quantitative data is approximately $\mathrm{normal}$?

Why is it sometimes necessary to include trend lines on line graphs when visualizing quantitative data?

Which type of graph is most appropriate for visually representing a $\mathrm{uniform}\mathrm{distribution}$ of $\mathrm{quantitative}\mathrm{data}$?

Which statement is true about box plots when visualizing data?

Which type of data are scatter plots and histograms best used to visualize?

Seatbelts The Beams Seatbelts company manufactures—well, you know. When a sample of seatbelts is tested for breaking point (measured in kilograms), the sample data are explored. Identify the important characteristic of data that is missing from this list: center, distribution, outliers, changing characteristics over time.