TEKS.MATH.9-12.VI.A

An SRS of 25 students is taken from each grade to form the sample.  This is what type of sampling design?

• Cluster
• SRS
• Stratified
• Multistage

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TEKS.MATH.9-12.VI.A

A poll about favorite sports is taken from 100 seniors in a high school where the senior class has 575 students. 23% of respondents said that baseball was their favorite sport.
The "575" is the ______

• Sample Size
• Population Size
• Statistic
• Parameter

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TEKS.MATH.9-12.VI.A

Which of the following is not a way to choose a random sample of 25?

• Assign numbers. Use a random number generator to choose 25
• Put names in a hat, mix them up and choose 25
• Assemble possible participants in a circle around a person who is blindfolded,  spin the person around 3 times and have them point at a person.  Do this 25 times.

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TEKS.MATH.9-12.VI.A

Determine the type of sampling used in the following scenario: Divide students into freshmen/sophomores and juniors/seniors and then conduct a survey about the amount of time spent studying.

• Systematic

• Simple Random

• Cluster

• Stratified

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TEKS.MATH.9-12.VI.A

To investigate whether standing up while studying affects performance in an algebra class, a teacher assigns half of the 30 students in his class to stand up while studying and assigns the other half to not stand up while studying. Which of the following best describes this plan?

• This is an observational study

• This is an experiment

• This is a stratified random sample

• This is a cluster sample

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TEKS.MATH.9-12.VI.A

A ___ is a small portion of the population used to gather data from.

• Systematic Sampling Method
• Sample
• Population
• Bias

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TEKS.MATH.9-12.VI.A

Marianne wanted to know students' opinion on the new schedule at school. She survey's the first 30 students who come into her class.

• Convenience Sampling

• Systematic Random Sampling

• Simple Random Sampling

• Volunteer response

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TEKS.MATH.9-12.VI.A

Determine if the following study is biased.

To see who has a computer at home the front office asks 10 randomly chosen students from each grade.

• Biased

• Unbiased

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TEKS.MATH.9-12.VI.A

Determine if the following study is biased.

A company makes DVDs and randomly selects 25 from 1500 to test them to see if they work.

• Biased

• Unbiased

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TEKS.MATH.9-12.VI.A

Determine if the following study is biased.

You want to know your town's favorite fast-food restaurant. You randomly ask 30 people their preference as they leave a McDonald's restaurant.

• Biased

• Unbiased

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TEKS.MATH.9-12.VI.A