1.8 Miles per gallon. Here is a small part of a data set that describes the fuel economy (in miles per gallon) of 2015 model motor vehicles.
(a) What are the individuals in this data set?
(b) For each individual, what variables are given? Which of these variables take numerical values?
| Make and model |
Vehicle type |
Transmission type |
Number of cylinders |
City mpg |
Highway mpg |
|---|---|---|---|---|---|
| ⋮ | |||||
| BMW 328i | Compact car | Manual | 6 | 22 | 34 |
| BMW 335i | Compact car | Manual | 6 | 20 | 30 |
| Buick LaCrosse | Midsize car | Automatic | 6 | 18 | 28 |
| Chevrolet Traverse | Sport utility vehicle (FWD) | Automatic | 6 | 17 | 24 |
| ⋮ |