Chapter 14 Review Game Coach Jones

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.

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.

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

A) Teenagers in your school. B) Teenagers across your state. 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.

ANSWER C) Teenagers across the U.S.

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.

ANSWER C) 1000

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.”

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

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.

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

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

ANSWER B) 1000