To Use Contingency Analysis for Numerical Data, Which of the Following

Multiple Choice

To use contingency analysis for numerical data, which of the following is true?

A) Contingency analysis cannot be used for numerical data.
B) Numerical data must be broken up into specific categories.
C) Contingency analysis can be used for numerical data only if both variables are numerical.
D) Contingency analysis can be used for numerical data only if it is interval data.