2. Consider the following part of a data set: Age Credit GPA (years) Sex Only child? Height Weight Major (inches) (pounds) Hours 21 Female Yes 67.00 140.0 16 3.60 animal science 20 Female No 62.00 130.0 18 3.86 biology 28 Female No 64.00 188.0 21 3.25 psychology 21 Male No 65.00 140.0 15 2.95 psychology 24 Female No 67.00 130.0 20 3.00 anthropology 22 Male Yes 68.00 135.0 15 2.94 journalism List the variables in the data set. Indicate whether each variable is treated as categorical or quantitative in this data set. If the variable is quantitative, state the units