Lesson Quiz 6-1

The people who ride the roller coaster at a theme park are considered which of the following in relation to the entire theme park?

• They are a sample of the theme park, because they represent only a portion of all the people at the theme park.

• They are the entire population of the theme park, because everyone rides the roller coaster.

• They are not related to the theme park population at all.

• They are the only group studied in the theme park.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Lana and Jeff each randomly surveyed 15 students about their favorite types of movies. Are these samples representative of the school population?

• No, because 15 students may not be enough to represent the entire school population, and we do not know if the selection was truly random or representative.

• Yes, because any random group of students will always represent the school population.

• Yes, because 15 students is a large enough sample for any school.

• No, because the survey should only include students who like movies.

The principal at Marina Middle School wants to determine if the 120 students in the seventh grade prefer to visit the aquarium or the science museum for their end-of-year trip. Select all the sets of people that would be a representative sample of the population.

• 20 sixth-grade students, 20 seventh-grade students, and 20 eighth-grade students

• 10 seventh-grade boys and 10 seventh-grade girls

• 25 seventh-grade students

• 15 seventh-grade boys and 5 teachers

• 25 students from the school

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The Longboat Key town council wants to know if residents are in favor of a traffic camera at the main intersection in town. Match the statement to its correct description

• Representative Sample

• Population

• NOT a Representative Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Which method could Mrs. Walsh’s math class use to generate a random sample of students to survey about their favorite snacks?

• Assign a number to each student and use a random number generator to select students.

• Ask only the students in Mrs. Walsh’s class.

• Survey students who are available in the cafeteria.

• Choose students based on their favorite snacks.

Tags

CCSS.HSS.IC.B.3