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

The number of 8-ounce glasses of water Shane drank each day for 12 days is represented in this histogram.
Based on the given histogram, which statement must be true?

• On exactly 2 of these days, Shane drank 1 to 2 glasses of water.
• On exactly 3 of these days, Shane drank 7 to 8 glasses of water.
• On exactly 25% of these days, Shane drank 3 to 4 glasses of water.
• On exactly 60% of these days, Shane drank 5 to 6 glasses of water.

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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

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

21. How many students are represented by the histogram?  

• Cannot be determined
• 9
• 31
• 35

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

A question that anticipates and accounts for a variety of answers.

• Statistical Question
• Range
• Mean
• Box Plot

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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

I surveyed 100 people at a grocery store by selecting every 3rd person that entered, does this sample represent the local population?

• Yes, it is random and unbiased.

• Yes, it is random and biased.

• No, while it is random, it is also biased.

• No, while it is random, it is also unbiased.

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

What percent of the students sent between 40 and 59 text messages?

• 45%

• 25 text messages

• 45 text messages

• 25%

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

A bag contains 10 green tiles, 15 red tiles, and 25 blue tiles. Jane randomly draws a tile, records the color and replaces the tile. If she does this 75 times, how many times should she expect to draw a green tile?

• 15

• 25

• 18

• Not here

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

The scatterplot shows the number of people in each of 8 different households and the average amount of money each household spent on groceries. Based on the scatterplot, what is the best prediction of the average amount of money spent on groceries for a household that has 7 people?

• $230

• $190

• $270

• $300

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