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

Kim surveys 100 moviegoers that entered the movie theater in the first hour.  What type of sampling method is this?

• Random
• Convenience
• Biased

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

What would be the population in this example?
Surveyors in a mall choose shoppers to ask about products they prefer.

• the surveyors
• all shoppers in the mall
• the shoppers who were asked their preferences

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

How many cities have temperatures between 70 degrees and 99 degrees?

• 44
• 34
• 26
• 62

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

Which interval has 400 employees?

• 33-43
• 0-10
• 77-87
• 66-76

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

A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample:

• Asking all the students in the hot lunch line.
• Asking 10 random students from each homeroom.
• Asking every other student who gets off a school bus.
• Asking all the 10th graders.

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

A safety inspector conducts air quality tests on a randomly selected group of 7 classrooms at an elementary school.

• The population is all classrooms in the district; the sample is the 7 classrooms selected.
• The population is all classrooms in the elementary school; the sample is the 7 classrooms selected.
• The population is all elementary students in the school; the sample is the students in the 7 classrooms selected.

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

More than half of the students scored above 85% on the math test.

• True

• False

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

At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?

• to randomly ask 8th grade students who went on a field trip last year
• to randomly choose some 7th grade students to select a location
• to ask all 7th grade teachers and administrators for a location
• to ask the student council to choose a location

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

Lee will conduct a survey at his school. He will select a random sample of students at the school to take the survey. Which sample is the best random sample for Lee to use?

• every other student in the drama club

• every fifth student who enters the school

• every student who rides the same bus as Lee

• every fourth student in Lee’s homeroom class

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