How Many Variables?-The dataset con

How Many Variables?
-The dataset consists of 1728 instances and each record contains seven attributes which are: buying price, maintenance price, number of doors, capacity in terms of persons to carry, the size of luggage boot, estimated safety of the car, and car acceptability.
-The attribute of car acceptability is a class label which used to classify the degree of the car that customers accept, the other attributes are viewed as predictive variables.