Unit 8 - Survey Data

Select the population.

Jackson wants to know the favorite sport of his 7th Grade classmates.  He decides to survey all of the boys in his class. 

What is the population?

Jackson wants to know the favorite sport of his 7th Grade classmates.  He decides to survey all of the boys in his class.   

What is the sample?

Jackson wants to know the favorite sport of his 7th Grade classmates.  He decides to survey all of the boys in his class. 

What type of sample is this?

Brooklyn wants to know the favorite color of every student in her 5th grade class.  She puts the names of every student on a popsicle sticks and into a box.  She draws out 10 names and surveys those students about their favorite color.  

What is the population?

Brooklyn wants to know the favorite color of every student in her 5th grade class.  She puts the names of every student on a popsicle sticks and into a box.  She draws out 10 names and surveys those students about their favorite color.  

What is the sample?

Brooklyn wants to know the favorite color of every student in her 5th grade class.  She puts the names of every student on a popsicle sticks and into a box.  She draws out 10 names and surveys those students about their favorite color.  

What type of sample is this

A random sample of dogs at different animal shelters shows that 12 of 60 dogs are puppies. The cities shelters collectively house 1,200 dogs each year. Estimate how many are puppies.

A store manager selects 30 cartons of eggs and finds 4 cartons that have cracked eggs. If the store has 105 cartons of eggs, how many cartons can she expect to have cracked eggs in them?

A manufacturer fills an order for 4,200 smart phones. The quality inspector selects a random sample of 60 phones and finds that 4 are defective. How many smart phones in the order are likely to be defective?

In Orange County, residents were surveyed about a new basketball court.  Determine whether each survey question may be biased.

Do you favor building a new basketball court?

In Orange County, residents were surveyed about a new basketball court.  Determine whether each survey question may be biased.

Do you think it is wise to waste taxpayers’ money to build another basketball court?

In Orange County, residents were surveyed about a new basketball court.  Determine whether each survey question may be biased.

Recent research has shown that it is important for teenagers to have a safe place to gather because it keeps kids out of trouble.  Would you like to invest more taxpayer money to build a basketball court?

Asking football fans about their favorite team in the league as they are leaving the stadium.

People at a Republican Presidential Debate are asked who they think should be President.

Asking people about their favorite movie as they are walking out of the grocery store.

Only the computer club is asked which program at the school should get money from student council.

Is this question biased or unbiased: Do you prefer a delicious hamburger or a gross hot dog?

Is this question biased or unbiased: Should pet owners vaccinate their dogs?