Sampling and Bias

favorite ice cream

Would you rather listen to boring classical music or upbeat pop music?

Do you prefer the sleek and stylish cell phone or this plainer one?

Would you rather listen to boring classical music or upbeat pop music?

What is your favorite Television show?

Students are separated by gender and then two students from each gender  are questioned.

ages and gender of your neighbors

Price of cell phones

Video game sales

What is your favorite Television show?

What is your favorite Television show?

Favorite clothing brand

distances ran

width and depth of lakes

A bottle manufacturer checks the quality of every third bottle it makes.

Soccer jersey number

The first 50 people exiting a movie are surveyed to find out what type of movie people  like.

A counselor surveys students whose names are drawn out of a bag.

how many tv shows your friends watch.

Miles per hour

A librarian randomly chooses 100 books from the library to calculate the average length.

Would you rather go to a boring museum or an exiticng amusement park?