Question

for the following description of data, identify the ws, name the variables, specify for each variable whether its use indicates it should be treated as categorical or quantitative and for any variable identify the units in which it was measured.
the environmental protection agency (epa) tracks fuel economy of automobiles. among the data analysts collect from manufacturers are the manufacturer, vehicle type (car, suv, truck), weight, horsepower, city gas mileage (mpg), and highway gas mileage (mpg)

identify the who for this study. choose the correct answer below.
a. car salesmen
b. all car owners
c. car manufacturers
d. car dealerships

identify the what for this study. select all that apply.
a. car color
b. horsepower
c. the manufacturer
d. vehicle type
e. weight
f. mileage
g. city gas mileage
h. highway gas mileage

Explanation:

The EPA collects data from car manufacturers. Variables include manufacturer, vehicle type, weight, horsepower, city and highway gas mileage. Car color isn't mentioned.

Answer:

1. C. Car manufacturers
2. B. horsepower, C. the manufacturer, D. vehicle type, E. weight, G. city gas mileage, H. highway gas mileage