Which of the Following Uses a Contingency Table

Short Answer

Which of the following uses a contingency table? $\begin{array}{|l|l|}\hline \text { A. } & \text { Chi-squared test of independence of two numerical variables in a population. } \\\hline \text { B. } & \text { Chi-squared test of independence of two nominal variables in a sample. } \\\hline \text { C. } & \text { Chi-squared test of independence of two numerical variables in a sample. } \\\hline \text { D. } & \text { Chi-squared test of independence of two nominal variables in a population. } \\\hline\end{array}$