- 1. A scientist studies a pod of humpback whales to determine the migration of humpback whales. What is the population?
A) killer whales
B) a pod of humpback whales
C) all humpback whales
D) all whales
- 2. A scientist studies a pod of humpback whales to determine the migration of humpback whales. What is the sample?
A) all whales
B) dolphins
C) a pod of humpback whales
D) all humpback whales
- 3. The coach asks the starting lineup which uniform the football team wants to wear. What is the population?
A) the starting lineup
B) the coaches
C) the football team
D) the students
- 4. The coach asks the starting lineup which uniform the football team wants to wear. What is the sample?
A) the students
B) the coaches
C) the football team
D) the starting lineup
- 5. The mayor surveys 1,000 voters to see if they approve of the job she is doing. What is the population?
A) all voters
B) all truck drivers
C) 1,000 voters
D) the teachers at Smitha Middle School
- 6. The mayor surveys 1,000 voters to see if they approve of the job she is doing. What is the sample?
A) 1,000 voters
B) the football team
C) circus monkeys
D) all voters
- 7. A deli owner asks Sunday customers to choose a favorite mustard. Is this a biased or unbiased sample?
A) biased
B) unbiased
- 8. A cafeteria worker asks students who buy the entree if they like the food in the cafeteria. Is this a biased or unbiased sample?
A) biased
B) unbiased
- 9. A theater manager asks the last 10 people to leave a movie, "Did you like the movie?" Is this a biased or unbiased sample?
A) unbiased
B) biased
- 10. A chef asks four customers who ordered the new cheese sauce if they liked it. Is this a biased or unbiased sample?
A) biased
B) unbiased
- 11. People with a house number ending in 1 are polled. Is this sample random?
A) yes
B) no
- 12. A surveyor flips through the phone book and selects 30 names. Is this sample random?
A) yes
B) no
- 13. Students each write a question on a slip of paper and put it in a box. A teacher draws one question to discuss. Is this sample random?
A) no
B) yes
|