TEKS.MATH.7.12B

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy
• thirty students who are rarely tardy
• thirty of her friends
• thirty randomly selected students from her school

Tags

TEKS.MATH.7.6F

TEKS.MATH.7.12B

A computer manufacturer surveys its customers who purchased laptop computers to ask what software the company should include with its computer.  Identify the population.

• Customers who purchased laptop computers.
• Customers of the store.
• Customers who are interested in software.
• Computer manufacturers

Tags

TEKS.MATH.7.6F

TEKS.MATH.7.12B

Henry surveyed the first 7 celebrities to arrive at the movie premiere.  Is this sample of celebrities likely to be biased?

• yes
• no

Tags

TEKS.MATH.7.6F

TEKS.MATH.7.12B

Patrick polled the first 27 people to attend the WMS band concert.  Is this sample of the concert attendees likely to be representative?

• yes
• no

Tags

TEKS.MATH.7.6F

TEKS.MATH.7.12B

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

Tags

TEKS.MATH.7.6F

TEKS.MATH.7.12B

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

Tags

TEKS.MATH.7.6F

TEKS.MATH.7.12B

A toy store owner is tracking how much kids spend each month on toys.  Which choice BEST represents a sample?

• All of the kids who buy toys.
• 275 rich kids
• 200 kids from ages 10 to 15
• 292 boys ages 7-15

Tags

TEKS.MATH.7.6F

TEKS.MATH.7.12B

A survey company was trying to see if people in a state thought the pollution was too high.  Which choice BEST represents a population?

• A selection of people from each neighborhood in the state.
• A selection of people who live in small towns.
• Every person in the state.
• A selection of people who live in dirty neighborhoods.

Tags

TEKS.MATH.7.12B

A school randomly chose ten English teachers and asked them which type of juice their students would prefer. Which reason best shows why this sample is biased?

• The sample didn't include students.
• The sample is too small.
• The sample can only be accurate if each teacher is included in the sample

Tags

TEKS.MATH.7.6F

TEKS.MATH.7.12B

A school surveys all 7th grade boys to determine what to sell in the school store.  This sample is _________.

• Biased
• Unbiased
• Representative
• Peanut butter cups

Tags

TEKS.MATH.6.13B

TEKS.MATH.7.12B