Which of the Following Best Describes a Component Bar Chart

Short Answer

Which of the following best describes a component bar chart? $\begin{array}{|l|l|}\hline A&\text { A component bar chart represents all categories within a single bar.}\\\hline B&\text { The height of each component is proportional to the frequency of the}\\&\text { category that it represents.}\\\hline C&\text { Component bar charts may be used as a comparison of two or more breakdowns}\\&\text { as an alternative to using two pie charts.}\\\hline D&\text {All of these choices are correct. }\\\hline \end{array}$