Use the following choices for questions 13-16. Choose the highest level of measurement
(A) Ratio
(B) Interval
(C) Ordinal
(D) Nominal
(E) Cannot determine
13. Marital status of school board members
14. Temperature of refrigerators measure on Celsius scale
15. Horsepower of racecar engines
16. Ratings of television programs (poor, fair, good, excellent)
Use the following lettered choices for questions 17-20. Categorize the style of gathering data described in each of the following numbered situations:
(A) Sampling
(B) Experiment
(C) Simulation
(D) Census
(E) Cannot determine
17. Select a sample of consumers and determine the percentage who own cellular phones.
18. Determine the annual income for all employees in a company.
19. Give one group of people a diet supplement and another a placebo. After both groups have been on the same meal program for 1 month, compare weight losses of the two groups.
20. Use a computer program to show the effects on airline traffic flow where air traffic controllers change methods.