For each of the following, indicate the scale of measurement that best describes the information.

a. In 2008, Dell Corporation had approximately 78,000 employees.

b. USA Today reports that the previous day's highest temperature in the United States was 105 degrees in Death Valley, California.

c. An individual respondent answers "yes" when asked if TV contributes to violence in the United States.

d. In a comparison test of family sedans, a magazine rates the Toyota Camry higher than the VW Passat