Statistics and Sampling

If you survey every third house on a street, what type of sampling technique are you using?

• Systematic

• Simple Random

• Stratisfied

• Cluster

Sporting Illustrated collects data on its readers by asking them to fill out and send in a survey from the June issue.

• Convenience

• Systematic

• Stratified

• Simple Random

A group of lobbyists has a list of 100 senators. They decide to talk to every 7th senator on the list about their position on farm subsidies.

• Convenience

• Systematic

• Stratified

• Simple Random

A teacher puts all her students' names in hat, then selects 3 names from the hat. These students will take a standardized test.

• Convenience

• Systematic

• Stratified

• Simple Random

The president of a college randomly selects 2 students from each department to serve on a student advisory board.

• Convenience

• Systematic

• Stratified

• Simple Random

If you choose 5 bingo balls from a basket of 50 balls, what sampling technique are you using?

• Simple Random

• Systematic

• Cluster

• Convenience

Political webpages often allow readers to rate (if they want to) whether they strongly agree, agree, disagree, or strongly disagree with the President's decision on any given situation. This is a form of:

• Voluntary

• Convenience Sampling

• Simple Random Sampling

• Systematic Random Sampling

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.

She selects the five closest to her desk.

• simple random

• Self Selected.

• Convenience

• Systematic

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.

She picks the student in every 5th seat.

• Simple Random

• Systematic

• voluntary response

• convenience

An independent research company wants to go door to door to survey people in the city of Fontana. The company decides to number all blocks within the city limit, randomly choose 1 block and survey all households on that block.

This is an example of:

• Simple Random Sample

• Stratified Sample

• Cluster Sample

• Systematic Sampling