TEKS.MATH.7.6F

_________ is a sample in which each individual or object in the entire population has na equal chance of being selected.

• Sample
• Population
• Random Sample
• Quartile

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TEKS.MATH.7.6F

Starla polled the 2 customers who had been going to a particular barbershop the longest.  Is this sample of the customers likely to be representative?

• yes
• no

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TEKS.MATH.7.6F

Elise, a supermarket employee, approached 50 random customers and asked whether they would be willing to discuss what they like most about the store. She interviewed the 22 who said yes. Is this sample of the supermarket's customers likely to be biased?

• yes

• no

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TEKS.MATH.7.6F

Susan polled 587 people throughout each city in her county.  Each city is the same size.  Is this sample of the residents of cities in the county likely to be biased?

• yes
• no

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TEKS.MATH.7.6F

_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

• Sample
• Population
• Random Sample
• Quartile

Tags

TEKS.MATH.7.6F

A school principal wants to see which subject the 695 students in his school liked best.   Which choice BEST represents a sample?

• The girls in the school.
• 1 classroom for each grade
• All the students in the school.
• The students making a B in math.

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TEKS.MATH.7.6F

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.7.6F

Why do we randomly select our samples?

• for control
• reduce bias
• so we don't get the same answers from everyone
• to eliminate confounding results

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TEKS.MATH.7.6F

TEKS.MATH.9-12.IV.D.2

A city council member wanted to know how her constituents felt about a planned rezoning. She randomly selected 75 names from the city phone directory and conducted a phone survey.

• The population is everyone listed in the city phone directory; the sample is the 75 people selected.
• The population is residents of the city; the sample is the registered voters in the city.
• The population is registered voters in the city; the sample is everyone listed in the city phone directory.

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TEKS.MATH.7.6F

A beverage company wanted to see if people in the United States liked their new logo. Which choice best represents a population?

• A selection of logo artists.

• Every person in the United States.

• A selection of shoppers from different states.

• 3,800 children age 5 - 15

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TEKS.MATH.7.6F