Graphing

Read these sections and complete the questions at the end of each section. First, we'll look at the available methods to portray distributions of quantitative variables. Then, we'll introduce the stem and leaf plot and how to capture the frequency of your data. We'll also discuss box plots for the purpose of identifying outliers and for comparing distributions and bar charts for quantitative variables. Finally, we'll talk about line graphs, which are based on bar graphs.

Bar Charts

Questions

Question 1 out of 2.

Bar charts can only be used for qualitative variables.

  • True
  • False


Question 2 out of 2.

Although bar charts are often used to show means, this text recommends that _________ be used instead.

  • stem and leaf plots
  • frequency tables
  • histograms
  • box plots