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

_______ is the entire group of objects or individuals considered for a survey.

• Sample
• Population
• Random Sample
• Quartile

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

Eric surveyed 402 employees at the company who worked in Marketing.  Is this a random sample of the employees at the company in general?

• yes
• no

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

_______ is the entire group of objects or individuals considered for a survey.

• Sample
• Population
• Random Sample
• Quartile

Tags

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

The histogram shows the birth weights of 100 new born babies.  How many babies weighed 8 pounds or more?

• 22
• 23
• 30
• 45

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

Leslie wants to find out what show students watch the most.  She surveyed the 9 youngest students in the elementary school.  Is this sample of the students in the school likely to be representative?

• yes
• no
• Mr. Shinn, I have no idea!

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

Find the median, first quartile, third quartile, and interquartile range of the data.

203, 183, 212, 181, 157, 204, 189, 190

• Median: 189

  First Quartile: 182

  Third Quartile: 203

  IQR: 21

• Median: 189.5

  First Quartile: 182

  Third Quartile: 203

  IQR: 21

• Median: 189

  First Quartile: 182

  Third Quartile: 203.5

  IQR: 21.5

• Median: 189.5

  First Quartile: 182

  Third Quartile: 203.5

  IQR: 21.5

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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

Biologists want to determine the number of raccoons in a particular area. They captured 16 raccoons, tagged them, and released them back into the area. The next week, 40 raccoons were caught, of which 9 were tagged.

What is the best estimate of the number of raccoons in the area?

• 23

• 56

• 65

• 71

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

A large company has offices in cities across the country. The director of the company wants to survey employees about their office furniture. Which groups would be most representative of the opinions of all employees in the company? Choose 2 correct answers.

• employees who are randomly selected by a computer from a list of all company employees

• randomly selected employees in the cafeteria of one of the offices

• employees who have worked for the company for more than 10 years

• 5% of randomly selected employees from each office location

• employees answering phone calls in the company’s customer service department

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