Final Exam Review

For each of the following, name the method of data collection (observational study, experiment, simulation, or survey) that would be BEST to use for the study: A study to determine whether eating oatmeal can help lower blood pressure.

• Experiment

• Observational study

• Simulation

• Survey

For each of the following, name the method of data collection (observational study, experiment, simulation, or survey) that would be BEST to use for the study:

A study to determine how a 3rd grader puts together a puzzle.

• Observational study

• Experiment

• Simulation

• Survey

For each of the following, name the method of data collection (observational study, experiment, simulation, or survey) that would be BEST to use for the study:

A study to determine how satisfied customers are with the service received.

• Survey

• Observational study

• Experiment

• Simulation

For each of the following, name the method of data collection (observational study, experiment, simulation, or survey) that would be BEST to use for the study:

A study to determine how effective a new wrinkle cream is.

• Experiment

• Observational study

• Simulation

• Survey

For each of the following, name the method of data collection (observational study, experiment, simulation, or survey) that would be BEST to use for the study:

A study to determine how effective air bags are.

• simulation

• observational study

• experiment

• survey

For each of the following, identify which sampling technique (simple random, stratified, cluster, systematic, or convenience) is being used: Every 10th person boarding a plane is searched.

• systematic

• simple random

• stratified

• convenience

For each of the following, identify which sampling technique (simple random, stratified, cluster, systematic, or convenience) is being used:

Each person in a class is assigned a number and a random number table is used to select 7 of them to participate in a experiment.

• Simple random sampling

• Stratified sampling

• Cluster sampling

• Convenience sampling

For each of the following, identify which sampling technique (simple random, stratified, cluster, systematic, or convenience) is being used: Students at BSHS are divided up by class, and all of the seniors are asked to take a survey.

• Cluster sampling

• Simple random sampling

• Systematic sampling

• Convenience sampling

What is the shape of each of the following distributions?

• symmetric

• skewed left

• skewed right

• bimodal

What is the shape of each of the following distributions?

• uniform

• normal

• skewed

• bimodal