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

50% of the Cruisers attended between 7 and 16 car shows.  True or False?

• True
• False

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

You want to know your classmates' favorite food so you ask them, "Do you like ice cream?"
Is this question fair or biased?

• BIASED
• FAIR

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

A travel club has 3,000 members.  A random sample of 50 of the club members found that 12 people like mountain vacations best.  Which statement is NOT supported by the sample data? 

• Twenty-four percent of those sampled say they like mountain vacations best.  
• An estimated 720 club members would likely say they enjoy mountain vacations best. 
• Almost one-quarter of club members would likely say they enjoy mountain vacations best. 
• More than 2,500 club members would likely say they prefer other vacations over mountain vacations. 

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

A quality control inspector at a clothing manufacturer is checking to make sure collars on shirts are sewn correctly.  Twenty shirts are randomly chosen and 3 have defective collars.  Shirts that are defective are discarded.  Based on this sample, how many shirts do you predict are likely to be discarded in a week when 500 shirts are produced? 

• 17
• 20
• 75
• 425

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

Interview the first 30 students who enter the school in the morning. 

• simple random
• voluntary response
• systematic
• convenience

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

How many students spent over 40 minutes but under 60 minutes studying?

• 22 Students
• 30 Students
• 8 Students
• 5 Students

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

As a part of a survey, 50 students were asked about their favorite lunch item. The results are shown below.

• Pizza 10
• Tacos 5
• Hot dogs 15
• Hamburgers 20
• 
  

The cafeteria manager knows that about 300 students buy lunch from the cafeteria each day. Based on the table, she predicts that 60 students will buy pizza each day. Which statement about her prediction is true.

• Her prediction is invalid because ⅕ of 50 is 10.

• Her prediction is invalid because ¼ of 300 is 75.

• Her predictions is invalid because 120% of 50 is 60.

• Her predictions is valid 20% of 300 is 60.

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

According to a random telephone survey, 85% of all working adults in the U.S. are satisfied with their current job. If I asked 500 adults, how many do you predict would be satisfied with their current job?

• 85 adults
• 340 adults
• 500 adults
• 425 adults

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

Manny wants to know how many students at CTMS enjoy solving math problems. What is the best sampling method?

• ask for 20 volunteers to discuss whether they enjoy solving math problems
• ask the last 20 people to arrive at CTMS 
• Randomly ask 2 students in the hallway
• Ask every 20th student that walks into school

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

Which pizzeria has the second largest sales? 

• Pizza House
• Domiano's Pizza
• Little Secrets Pizza
• Uncle John's Pizza

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