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

What percent of students have less than 1,000 songs on their MP3 players?

• 15%
• 80%
• 20%
• 45%

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

A music store gives comment cards to all members of its Jazz Club to find out about satisfaction with the club's features.  Identify the sample.

• People who play instruments.
• All music store customers except Jazz Club members.
• All music store customers
• Jazz Club members

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

Leslie surveyed the 9 youngest students in the elementary school.  Is this sample of the students in the school likely to be representative?

• yes
• no

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

A wildlife reserve has a population of 120 elephants. A group of researchers trapped 42 elephants and recorded their vital statistics. Of the trapped elephants, 35 were female. If that rate holds true for the entire population of 120 elephants, how many female elephants are on the wildlife reserve?

• 100
• 120
• 132
• 216

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

A sample that follows a rule, formula, or pattern.

• random sample
• stratified sample
• systematic sample

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

The entire group studied.

• sample
• population

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

Leslie surveyed the 9 youngest students in the elementary school.  Is this sample of the students in the school likely to be representative of all the students in the school?

• yes
• no

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

How many people went to the amusement park fewer than 3 times?

• 1
• 2
• 10
• 8

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

You want to know how many students catch the bus to go home.  You go to the bus stop and ask students how they go home from school.  Is this a random sample or biased sample?

• BIASED
• RANDOM

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

Which interval has 400 employees?

• 33-43
• 0-10
• 77-87
• 66-76

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