CONTEXT

The W's - Who, What, Where, When, Why, and hoW

WHO

Who was measured?


The Environmental Protection Agency (EPA) tracks fuel economy of automobiles based on information from the manufacturers (Ford, Toyota, etc.). Among the data the agency surveys are the manufacturer, vehicle type (car, SUV, etc.), weight, horsepower, and gas mileage (mpg) for city and highway driving.


WHO: Automobiles were measured so they are considered the who in this study.

WHAT

What was measured?


The Environmental Protection Agency (EPA) tracks fuel economy of automobiles based on information from the manufacturers (Ford, Toyota, etc.). Among the data the agency surveys are the manufacturer, vehicle type (car, SUV, etc.), weight, horsepower, and gas mileage (mpg) for city and highway driving.


WHAT: Manufacturer, Vehicle Type, Weight, Horsepower, and Gas Mileage.

WHERE

Where were the data collected?


The Environmental Protection Agency (EPA) tracks fuel economy of automobiles based on information from the manufacturers (Ford, Toyota, etc.). Among the data the agency surveys are the manufacturer, vehicle type (car, SUV, etc.), weight, horsepower, and gas mileage (mpg) for city and highway driving.


WHERE: Each of the individual manufacturers provided information for the EPA.

WHEN

When was the study performed?


The Environmental Protection Agency (EPA) tracks fuel economy of automobiles based on information from the manufacturers (Ford, Toyota, etc.). Among the data the agency surveys are the manufacturer, vehicle type (car, SUV, etc.), weight, horsepower, and gas mileage (mpg) for city and highway driving.


WHEN: No information such as the year or day about when the information was taken is provided.

WHY

Why was the study performed?


The Environmental Protection Agency (EPA) tracks fuel economy of automobiles based on information from the manufacturers (Ford, Toyota, etc.). Among the data the agency surveys are the manufacturer, vehicle type (car, SUV, etc.), weight, horsepower, and gas mileage (mpg) for city and highway driving.


WHY: To help the EPA track fuel economy of automobiles.

HOW

hoW were the data collected?


The Environmental Protection Agency (EPA) tracks fuel economy of automobiles based on information from the manufacturers (Ford, Toyota, etc.). Among the data the agency surveys are the manufacturer, vehicle type (car, SUV, etc.), weight, horsepower, and gas mileage (mpg) for city and highway driving.


HOW: The information does not tell us how the data were collected.