Population and Sample

City Councilwoman Kelly wants to know whether the residents of her district support a proposed school budget plan.

Which of the following survey methods will allow Councilwoman Kelly to make a valid conclusion about whether residents of her district support the proposed plan?

• Ask 200

  residents of her district whose names are chosen at random.

• Ask 200 parents at the local playground.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Wholesome Food Company has been hired to design a healthy menu for the cafeteria at Ridgemont High School. They want to conduct a survey to determine what percentage of Ridgemont’s 1500

students like broccoli. The survey will ask, “Do you like broccoli?”

Which of the following survey methods will allow Wholesome Food Company to make a valid conclusion about the percentage of students at Ridgemont that like broccoli?

• Ask 100

  students in line at the salad bar during lunchtime for one week.

• Assign a number to each student, and use a computer program to generate 100

  different random numbers between 1

  and 1500

  . Ask those students whose numbers are selected.

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CCSS.7.SP.A.2

The curriculum committee at Alden Conger High School wants to offer a new elective course next year. They decide to survey Alden's 300

students to determine which course students would prefer. The choices are History of Art, Robotics, and Money and History of Video games

Which of the following survey methods will allow the committee to make a valid conclusion about which course the students at Larchmont prefer?

• Ask 150 Students in Science class which course they would prefer

• Ask only Students who are only on student console

• Have a computer randomly generate a list of 150 Students and interview them

• Ask Mr. Shanks and Mr.Ragatz

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Complete the definition:

A _______ is a subset of a population

• sample

• sampel

• people

• statistics

• group

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Complete the definition:

A _________ consists of all subjects (human or otherwise) that are being studied

• Statistics

• Number

• People

• Population

• Pueblo

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A student at Alden Conger wants to know what other students thoughts are on school lunches. Which of the following would be a population?

• All the students in the united states

• all the students at alden conger

• Every student in Minnesota

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A musician wanted to see what people who bought his last album thought about the songs.

Which choice best represents a sample?

• Every person who bought the album.

• A selection of people who didn't want to buy the album.

• 250 girls who bought the album.

• A selection of 3,294 people who bought the album.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A beverage company wanted to see if people in the United States liked their new logo.
Which choice best represents a population?

• A selection of logo artists.
• Every person in the United States.
• A selection of shoppers from different shoppers from different states.
• 3,800 children age 5-15

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Population or Sample?

A recent survey of 2625 elementary school children found that 28% of the children could be classified obese.

• Population

• Sample

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Population or Sample?

Every fifth customer exiting a restaurant is surveyed on how well they liked the food.

• Population

• Sample

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1