TEKS.MATH.9-12.VI.A

Marcos wants to find out how many students at his school like to go to the movies. Which survey method is likely to produce a representative survey?

• Ask the boys in the boys locker room.
• Ask the 25 students in his homeroom class.
• Ask students coming out of a movie theater.
• Ask half of the 34 students on the soccer team.

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TEKS.MATH.9-12.VI.A

An independent research company wants to go door to door to survey people in the city of Fontana. The company decides to number all blocks within the city limit, randomly choose 50 blocks and survey all households on each selected block. 
This is an example of:

• Simple Random Sample
• Stratified Random Sample
• Cluster Random Sample
• Systematic Random Sampling

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TEKS.MATH.9-12.VI.A

Source of bias that occurs when you ask people who are EASY to ask

• Response Bias
• Convenience Sampling
• Nonresponse
• Voluntary Response

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TEKS.MATH.9-12.VI.A

Marianne wanted to know students' opinion on the new schedule at school. She places students' names in a container and randomly picks out 20 names. 

• Convenience Sampling
• Systematic Sampling
• Random Sampling
• Volunteer response

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TEKS.MATH.9-12.VI.A

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

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TEKS.MATH.9-12.VI.A

Identify the sampling design: SCPS wants to survey its employees.  They pick 4 schools from the county and survey every single employee in each of the 4 buildings.

• cluster
• volunteer
• systematic
• simple random

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TEKS.MATH.9-12.VI.A

Interview the first 30 students who enter the school in the morning. 

• simple random
• voluntary response
• systematic
• convenience

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TEKS.MATH.9-12.VI.A

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:

• Simple Random Sample
• Stratified Random Sample
• Voluntary Response
• Systematic Random Sampling

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TEKS.MATH.9-12.VI.A

Determine the type of sampling used in the following scenario: Farmer Joe randomly picks 100 trees using a random number generator to estimate the number of apples produced by his apple trees.  This is ______________ sampling.

• Simple
• Stratified
• Cluster
• Systematic

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TEKS.MATH.9-12.VI.A

Descriptive statistics involves...

• collection, presentation, and description of sample data

• the technique of interpreting the values resulting from the descriptive techniques and making decisions and drawing conclusions about the population

• attempting to provide incorrect information and provide misleading graphs

• using information, numbers, and graphics even when data can't be collected

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TEKS.MATH.9-12.IV.D.1

TEKS.MATH.9-12.VI.A