a. A sports writer lists the winning times for all swimming events for the 2000 Olympics
b. Newsweek poll of a sample of Americans reveals that 84% of those surveyed would choose Crest over Colgate
c. Newsweek poll of a sample reveals that 84% of Americans would choose Crest over Colgate
d. A major league baseball player has a batting average of .323
2. Why is a Census usually not done?
Answers:
1. a. descriptive - because it's just being written down
b. descriptive - because it's just talking those that surveyed
c. inferential - because it's making a claim that is based on the survey to all people who use toothpaste
d. descriptive - because the player knows how many hits he got over the total times at bat
2. It usually costs more money and takes more time than a random sample.