Asurvey of college students collected information on several variables: distance from home, age, major, gender, and class. the variable "class" is:

categorical

Explanation:

Categorical survey is one that contains tick-box questions where either college students or respondents in the surveys are being asked to select either one or more items from the possible options. The question types used in this type of process are usually easier to evaluate and since they are also quicker to fill, some researchers prefer it to the open-ended free text questions.  

The categorical variables involved in the processes are divided in two groups and examples of such variables are age group, educational level, race and gender.