CCSS.Math.Content.7.SP.A.1

The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours.  What is the population?

• People who visit the bookstore.
• People who buy mystery novels.
• Residents of the town
• People who like to read.

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CCSS.Math.Content.7.SP.A.1

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

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CCSS.Math.Content.7.SP.A.1

The part of the population being studied

• population
• sample
• random

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CCSS.Math.Content.7.SP.A.1

Identify the type of sampling.
Seat numbers are chosen from a hat to identify passengers on an airplane who will be surveyed.

• random sampling
• systematic sampling
• stratified sampling

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CCSS.Math.Content.7.SP.A.1

Your school is choosing new school colors. Which group should you ask to get a random sample of student opinion?

• ten 7th grade students
• every tenth student that enters the building in the morning
• twenty 1st and 2nd graders
• every other student going into the principal's office

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CCSS.Math.Content.7.SP.A.1

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected. 

• systematic
• random sample
• convenience
• biased sampling

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CCSS.Math.Content.7.SP.A.1

Marianne wanted to know students' opinion on the new schedule at school. She places students' names in a container and randomly picks out 20 names. 

• Convenience Sampling
• Systematic Sampling
• Random Sampling
• Volunteer response

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CCSS.Math.Content.7.SP.A.1

You want to know how many students catch the bus to go home.  You go to the bus stop and ask students how they go home from school.  Is this a random sample or biased sample?

• BIASED
• RANDOM

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CCSS.Math.Content.7.SP.A.1

Assign each car in a dealership a number and then use a random-number table to select the cars to be inspected. 

• systematic
• random sample
• convenience
• volunteer response

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CCSS.Math.Content.7.SP.A.1

Why do we randomly select our samples?

• to increase bias
• to reduce bias
• so we don't get the same answers from everyone
• because it's easier

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CCSS.Math.Content.7.SP.A.1