Chapter 14 Review Game

1. Chapter 14 Review Game Coach Jones

2. Rules of the Game • Students need to team up in pairs. • Each team will write their answer down on their whiteboards. • Each correct answer is worth 1 point. • The team with the most points at the end will receive 5 bonus points on the test on Friday.

3. Mrs. Williams wants to determine which year-end celebration to chose for the students. She wants student input, so she needs to choose a sample of 20 students from the school. Which of the samples shown is a random sample? • A) Choose the first 20 students to arrive in the library in the morning. • B) Choose the 20 students who volunteer for the school fundraising event this Friday. • C) Give every student a number and select 20 numbers from a box without looking. • D) Choose 20 students from the last bus to arrive at school, using a random number table.

4. ANSWER • C) Give every student a number and select 20 numbers from a box without looking.

5. According to the survey described, what was the population of the survey?“A recent online survey of 500 teenagers from across the U.S. shows 2 out of 3 teenagers participate in after school activities.” • A) Teenagers in your school. • B) Teenagers across your state. • C) Teenagers across the U.S. • D) Teenagers around the world.

6. ANSWER • C) Teenagers across the U.S.

7. Suppose a toothpaste company wants to calculate how many times teens brush their teeth each week. They decide to conduct a survey of a random sample of 100 teens aged 13-18 from across the U.S. What is the sample size? • A) 13 • B) 18 • C) 1000 • D) All teens from 13-18 in the U.S.

8. ANSWER • C) 1000

9. For which survey is the data collected a census? • A) “A survey of all the students in your math class shows 2 out of 5 of those students like hip-hop best.” • B) “A survey of 100 seventh graders from across the U.S. shows that 1 out of 5 students like science best of their school subjects.” • C) “A survey of 25 students at Georgetown Middle School shows that 32% of Georgetown students like Fun Run brand sneakers best.” • D) “An online survey of 1000 teenagers from across the state shows that 57% of them like ice cream best for dessert.”

10. ANSWER • A) “A survey of all the students in your math class shows 2 out of 5 of those students like hip-hop best.”

11. According to the survey described here, what was the sample of the survey?“A recent survey of 900 teenagers aged 16 to 19 from across the state shows 1 out of 4 of them drive themselves to school.” • A) All teenagers aged 16 to 19 in the state. • B) 900 teenagers aged 16 to 19 from across the state. • C) 1 out of 4 teenagers aged 16 to 19 from across the state. • D) Teenagers aged 16 to 19 from across the state who own a telephone.

12. ANSWER • B) 900 teenagers aged 16 to 19 from across the state.

13. A recent survey of 2500 seventh graders from across the state shows 2 out of 5 of them do not eat breakfast. How many of the students surveyed do not eat breakfast? • A) 500 • B) 1000 • C) 1250 • D) 1500

14. ANSWER • B) 1000