2. Describing Data with Tables and Graphs

Use the frequency distribution below to find the class width and class midpoints.

The following data set shows the number of overtime hours that 12 employees worked in a month. Construct a frequency distribution, suing a lower class limit of 3 and a class width of 4.

Which type of graph is most appropriate for visualizing changes in $\mathrm{quantitative}$ data over $\mathrm{time}$?

Which of the following is an example of quantitative data collected from a group of students?