a.) The model years of the cars driven by each of your five closest friends.
b.) The model years of the cars driven by each student in your statistics class.
c.) The model years of the cars driven by each student in your university.
d.) The model years of the cars driven by each professor whose classes you are taking.
e.) The number of students in your statistics class who brought laptop computers to class today.
f.) The average price paid for a laptop computer by students at your university.
g.) The percentage of disk space available on laptop computers owned by your five closest friends.