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

How many students have more than 1,000 songs on their MP3 player?

• 5
• 16
• 10
• 4

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

A U.S. senator from Maine wants to find out the opinion of the voters in his state on issues concerning education.  The office of the senator sends out a survey to a random sample of registered voters in Maine.  Is this random sampling?

• Yes
• No

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

The choir director in a high school wants to know how the students in the school feel about singing. If the director selects 100 girls and 100 boys to complete a survey, which method will result in a biased sample?

• The students will be selected from the choir
• The students will be selected randomly throughout the school
• The students will be selected on Wednesday afternoon before the choir concert
• The choir director will select five students from each of the forty homerooms in the school

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

Josefina pulled 3 red marbles, 5 green marbles, 8 pink marbles, and 12 yellow marbles out of a bag. If she repeats this experiment 200 times, about how many pink marbles should she expect to pull from the bag?

• 55
• 57
• 59
• 53

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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

A local news station is conducting a survey to determine the favorite summer movies of teens in the city.  How would the survey most likely get a random sample that is representative of the population?

• by asking every 5th person at a local movie theater to name his/her favorite movie
• by asking random teens from local schools to name their favorite movie
• by asking all the teens attending a current movie to name their favorite movie
• by calling teens from around the country

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

Parents at a middle school were randomly selected to participate in a survey.  Forty-Two out of 60 parents who were surveyed support a proposal to buy new computers.  There are 456 parents with students at the middle school.  Predict how many of these parents are likely to support the proposal. 

• 42 parents
• 70 parents
• 137 parents 
• 319 parents

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

Biased or Random?

John wants to find out what the favorite soda flavor is at Menifee County. He decides to ask all the students in Mr. Goldsmith's class as a sample group.

• Biased

• Random

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

Biased or Random?

Jameson and Brevon want to determine the most popular Basketball player in all of Menifee County so they poll everyone at lunch.

• Biased

• Random

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

Zoie completes a report by asking 70 students across campus. She found that 48% of CTMS students do not wash their hands after using the bathroom. What is the population of her survey?

• the bathroom
• CTMS students
• 48% of students 

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