TEKS.MATH.9-12.VI.A

Each student in the school is given a different number.  A student is randomly selected from the first 25. That student and every 25^th student thereafter are in the sample.  This is what type of sampling design?

• SRS
• Systematic
• Multistage
• Stratitfied

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TEKS.MATH.9-12.VI.A

The teacher samples her class by selecting all students sitting at group 1 and group 5 in her classroom.  This sampling technique is called?

• SRS
• Stratified
• Systematic
• Cluster

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TEKS.MATH.9-12.VI.A

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 Random
• voluntary response
• convenience

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TEKS.MATH.9-12.VI.A

What is a survey?

• A tool used to collect statistical data
• Statistics collected from an entire population
• An element or feature that can vary
• A group chosen from a population

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TEKS.MATH.9-12.VI.A

Identify the Sample:
A restaurant wants to know if their customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

• 20 customers
• All customers
• 8 customers
• Dessert

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TEKS.MATH.9-12.VI.A

This sample consists of units of the population that are easily accessible.

• Cluster
• Convenience
• Volunteer
• Observational

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TEKS.MATH.9-12.VI.A

A sample should be

• representative of  only middle school students only
• a very large group
• representative of the population
• representative of people who volunteer

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TEKS.MATH.9-12.VI.A

A sample should contain a minimum of...

• 40 participants
• 15 participants
• 30 participants
• 20 participants

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TEKS.MATH.9-12.VI.A

Sra. Garces wants to find the average height of all her students in her classes. She decides to use the first 5 people who walk in the door. Is this a good representative sample?

• Yes

• No

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TEKS.MATH.9-12.VI.A

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

• voluntary response

• convenience

Tags

TEKS.MATH.9-12.VI.A