Answer:
The number of variables in the set is 5
Step-by-step explanation:
we us to able to understand how we arrived at 5 as the number of variables that is available in the set of data above we have to define and understand the keyword variable.
A variable; is any characteristics, number, or quantity that can be measured or counted. A variable may also be called a data item.
hence by the definition of a variable we know that hometown is a variable=1,GPA is a variable=2, number of classes is a variable=3, number of siblings is a variable=4, and favorite subject is also a variable=5.
hence we conclude that the number of variables=5
