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

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 passes out surveys on ten street corners in the five major cities in the state of Maine.  Is this random?

• Yes
• No

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

Colton polled 22 people at the town senior center.  Is this a random sample of the town residents?

• yes
• no

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

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.
She picks the student in every 5th seat.

• Simple Random
• Systematic 
• Unbiased
• convenience

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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

Megan surveyed a random sample of 60 students at her school and found that 42 of them ride the bus to school each day. If there are 320 students at Megan’s school, about how many of them ride the bus to school each day?

• 348
• 224
• 188
• 132

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

A city council member wanted to know how her constituents felt about a planned rezoning. She randomly selected 75 names from the city phone directory and conducted a phone survey.

• The population is everyone listed in the city phone directory; the sample is the 75 people selected.
• The population is residents of the city; the sample is the registered voters in the city.
• The population is registered voters in the city; the sample is everyone listed in the city phone directory.

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

21. How many students are represented by the histogram?

• 5

• 9

• 31

• 35

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

The librarian used the computer system to create a random list of 60 items that are currently checked out. The list showed 25 fiction books, 15 nonfiction books, 12 movies, and 8 music CDs.

Based on this data, what inference can be made about the types of items that the library customers check out?

• half as many CDs are checked out than movies

• More non-fiction books are checked out than fiction books

• customers who check out books don't check out movies

• About twice as many books are checked out than other items

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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