Stats Unit 1 Vocabulary Quiz

Darren measures the heart rate of 10 randomly selected students in his Algebra 2 class. What is the population?

• Darren's Algebra 2 class

• The 10 randomly selected students

• All students at Darren's high school

• The students not selected

Darren measures the heart rate of 10 randomly selected students in his Algebra 2 class. What is the sample?

• Darren's Algebra 2 class

• The 10 randomly selected students

• All students at Darren's high school

• The students not selected

Sampling design where the population is divided into N groups and the a number of those groups are chosen to be part of the sample

• Cluster

• Random

• Stratified

• Convenience

Students ask every 5th person to board the train what their favorite color is. Which type of study method is described?

• Experimental study

• Statistical survey

• Observational study

Students ask every 5th person to board the train what their favorite color is. Which type of sampling method is described?

• Simple random sample

• Cluster sample

• Stratified sample

• Systematic sample

Researchers randomly choose two groups from 15 volunteers. Over a period of 9 weeks, one group watches television before going to sleep, and the other does not. Which type of study method is described?

• Experimental study

• Observational study

• Statistical survey

Identify the sampling method:

A trucking company places a card with their office phone number on the door step of every home within 5 miles of their office.

• self-selected sample

• cluster sample

• convenience sample

• simple random sample

Study based on data in which no treatments have been assigned to subjects

• Experiment

• Observational Study

• Survey

• Block

Describe the sampling method.

A restaurant chain's owners are trying to decide if they want to open up a franchise in your town. To help them decide, they want to find out how often people in your town go out to eat. A researcher interviews people leaving a local restaurant. Participants decide whether they will participate in the interview.

• stratified sample

• self-selected sample

• cluster sample

• convenience sample

Sampling design in which each set of n elements in the population has an equal chance of selection

• Voluntary

• Block

• Simple Random

• Cluster