Samples and Population Review

Eric surveyed 402 employees at the company who worked in Marketing.  Is this a random sample of the employees at the company in general?

• yes
• no

Josie threw a handful of identically shaped buttons into the air, then collected the 27 buttons that landed in a target on the floor.  Is this a random sample of the buttons?

• yes
• no

Leslie surveyed the 9 youngest students in the elementary school.  Is this sample of the students in the school likely to be representative?

• yes
• no

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

• yes
• no

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

A teacher examined 17 different tests from each of her math classes.  Each class had the same number of tests.  Is this sample of the tests likely to be biased?

• yes
• no

Colton polled 22 people at the town senior center.  Is this a random sample of the town residents?

• yes
• no

Karen surveyed the first seven shoppers at the produce stand.  Is this sample of shoppers at the produce stand likely to be biased?

• yes
• no

Carrie spoke with the 27 donors who gave the most money.  Is this a random sample of the donors?

• yes
• no

Without looking, Christine took 2 flash cards out of her box of flash cards.  Is this a random sample of the flash cards?

• yes
• no