Statistics - Experiments & Surveys

What are parameters in statistics?

• Statistical measures regarding populations

• Statistical measures regarding samples

• Statistical measures regarding experiments

• Statistical measures regarding surveys

What are statistics in statistics?

• Statistical measures regarding populations

• Statistical measures regarding samples

• Statistical measures regarding experiments

• Statistical measures regarding surveys

What is a sample survey?

• A study that asks questions from a sample drawn from a population in hopes of learning something

• A study that asks questions from the entire population in hopes of learning something

• A study that asks questions from a sample drawn from a sample in hopes of learning something

• A study that asks questions from the entire population in hopes of learning nothing

What is a census?

• A complex, time-consuming, and expensive survey

• A simple and quick survey

• A survey that covers only a small part of the population

• A survey that people volunteer to take.

What is sample design?

• A technique employed to select a sample

• A technique employed to select the entire population

• A technique employed to select a sample from a sample

• A technique employed to select a population from a sample

Which sampling method gives every member of the population an equal chance of being selected?

• Voluntary response

• Convenience sampling

• Simple random sample (SRS)

• Stratified random sample (SRS)

What is bias in surveys?

• A systematic error that favors a particular segment of the population or a particular outcome

• A random error that occurs in surveys

• A systematic error that favors the entire population

• A random error that occurs in experiments

Which bias is caused by the wording of a question or the order of the responses?

• Wording bias

• Voluntary response bias

• Undercoverage bias

• Response bias

Which bias favors strong responses in surveys?

• Wording bias

• Voluntary response bias

• Undercoverage bias

• Response bias

Which bias occurs when the surveyor misses part of the population?

• Wording bias

• Voluntary response bias

• Undercoverage bias

• Response bias