Question

X and Y are two categorical (uncoded) variables. Can we calculate a correlation coefficient for them:

a. Yes. We can compute a correlation coefficient for two categorical variables.
b. Only if one of the categorical variables has more than two choices.
c. No. Both variables must be quantativite.
d. No. One variable must be a quantitative and one variable must be a categorical variable

Answer 1

Answer:(c). No. Both variables must be quantativite

Explanation:

Both variables must be quantitative because we can calculate Pearson correlation if they are both quantitative