Random Sampling

You want to know which store shoppers at the mall visit the most. You ask every 10th person as they enter the mall which store they visit.

• Random

• Not Random

You want to know what the 7th grade students think of their science class. You poll 100 random 7th graders.

• Random

• Not Random

A hip-hop radio station wants to know what type of music is the most popular. They ask their listeners to call in and select their favorite type of music.

• Random

• Not Random

The owners of a local game store put all their customers' email addresses in a hat. They draw 150 names and email them a customer survey.

• Random

• Not Random

You ask 50 people in your local grocery store which grocery store is their favorite.

• Random

• Not Random