Which of the Following Statements Is True

Short Answer

Which of the following statements is true? $\begin{array}{|l|l|}\hline A&\text { A contingency table may also be called a cross classi fication table }\\\hline B&\text { A contingency table is used to describe two nominal variables.}\\\hline C&\text { A bar chart may be used as a graphical display of a contingency table.}\\\hline D&\text {All of these choices are correct. }\\\hline \end{array}$