1 The website Yoblogcom put a poll on its front page asking

1. The website Yoblog.com put a poll on its front page asking how many games the football team will win this fall now that Stella Ricci is the coach. Approximately 800 people voted. What type of sampling was used?

simple random sample

stratified

multistage

voluntary response

2. A United States Postal Service administrator in Washington wants a sample of postal workers. The administrator randomly selects 6 states. From each of these states, she randomly selects 4 counties. From each of these counties, she randomly selects 2 post offices. From each of these post offices, she randomly selects 2 employees. Her overall sample is a

stratified sample.

multistage sample.

convenience sample.

systematic sample.

Solution

1 ANSWER ------simple random sample

2   ANSWER ------multistage sample