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

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy
• thirty students who are rarely tardy
• thirty of her friends
• thirty randomly selected students from her school

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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

The TV station wants to get the opinion of viewers on the look of a new game-show set.  The station's staff calls random people in the phone book.  Is this biased or unbiased?

• Biased
• Unbiased

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

Elise, a supermarket employee, approached 50 random customers and asked whether they would be willing to discuss what they like most about the store.  She interviewed the 22 who said yes.  Is this sample of the supermarket's customers likely to be biased?

• yes
• no

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

Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.
This is a form of:

• Random Sample
• Convenience Sampling
• Voluntary Response
• Systematic Sampling

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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

Becky wants to know if she should sell cranberry muffins at her bakery. She asks every customer who buys blueberry muffins if they would buy cranberry muffins. Is this a representative sample?

• Yes, it does not include people who would buy cranberry muffins but do not like blueberry muffins

• No, it does not include people who would buy cranberry muffins but do not like blueberry muffins

• Yes, it does include people who would buy cranberry muffins but do not like blueberry muffins

• No, it does include people who would buy cranberry muffins but do not like blueberry muffins

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

Simon wants to find out which shop has the best frozen fruit drink in town. How could Simon conduct a survey with a sample that is representative of the population?

• Simon could stand outside a popular store in town that does not sell frozen fruit drinks and survey every fifth customer about their favorite local favorite fruit drink shop.

• Simon could stand outside a popular store in town that does sell frozen fruit drinks and survey every fifth customer about their favorite local favorite fruit drink shop.

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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

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

• 45%

• 25 text messages

• 45 text messages

• 25%

Tags

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