Teacher:In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Teacher: Now, understand the problem? Solve this instance: Question: The presence (x = 1) or absence (x = 0) of bacteriuria has been determined in a group of subjects. What kind of variable is it?
Options: <1> Ordinal. <2> Numeric <3> Categorical <4> Continuous quantitative <5> Discrete quantitative.
Student:
3