The following data set shows a random selection of delivery drivers from a Chinese delivery restaurant. Driver ID Age, years Gen
der Car Average Time Average Distance, miles 543 19 Male Truck 10 min 36 sec 8.2 228 29 Male Van 9 min 7.1 711 22 Female SUV 11 min 24 sec 7.4 252 17 Female Sports car 6 min 17 sec 6.8 Which of the following variables are categorical?
The Gender are car variables represents non numeric variables written as strings and as such does not allow for numeric calculations such as addition, subtraction and so on, they are instead used to classify the observations in the data into discreet groups, the gender variable separates observations into Male and Female classes while, the car variable separates cars driven into distinct classes denoting the name of cars driven by each observation in the data. The other variables are of quantitative nature as they allow for numerical computation of the data values.
