The given genders are qualitative and bivariate.
The data to represent the favorite color and person's gender,
Qualitative data: the data which describes the quality or attribute is said to be qualitative and does not have unit or numerical value.
The data has set of favorite color and person’s gender and it does not have numerical value.
Two variables is required to represent the favorite color and person’s gender.
The set of two variables is the bivariate data set.
Therefore, the favorite color and a person's gender is qualitative and bivariate.