TEKS.MATH.9-12.VI.A

All senior from a college are asked if they have secured a job and whether it relates to their major.

• Sample
• Population

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TEKS.MATH.9-12.VI.A

To find out what the preferred ice cream flavor is, wait outside an ice cream parlor and ask every 4th person leaving the store to name his or her favorite flavor until you get 25 responses is an example of...

• Convenience Sample
• Simple Random Sample
• Stratified Random Sample
• Systematic Sample

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TEKS.MATH.9-12.VI.A

The process of collecting information/data from the sample.

• Census
• Interview
• Survey
• Questionnaire

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TEKS.MATH.9-12.VI.A

To study the amount of time students spend doing homework each day, use a random number generator to select 25 students from the student enrollment database to survey.

• Convenience Sample
• Simple Random Sample
• Stratified Random Sample
• Interval Sample

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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 selects the five closest to her desk.

• simple random
• Voluntary Response
• Convenience
• Systematic Random

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TEKS.MATH.9-12.VI.A

Determine the type of sampling used in the following scenario: Divide the users of the Internet into different age groups and then select a random sample from each age group to survey about the amount of time they spend on the Internet each month.

• Systematic
• Simple Random
• Cluster
• Stratafied

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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

You have no preliminary study to work from. How large must your sample size be so you could be within ± 3% of p at 90% confidence?

• 748

• 1068

• 11

• 1495

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TEKS.MATH.9-12.VI.A

A teacher wants to know how well her students are doing on a topic. She randomly picks one class to survey.

• Simple Random

• Cluster

• Stratified

• Systematic

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TEKS.MATH.9-12.VI.A

What type of sampling is this? A journalist interviews all 86 people after they leave a restaurant and asks them how confident they are that the food is safe.

• Random sample

• Convenience sample

• Stratified Random sample

• Census

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TEKS.MATH.9-12.VI.A