Prob & Stat 1.2 & 1.3 Review

Mr. Wilson lists all seniors alphabetically and asks every 20th senior a survey question. What is this an example of?

A survey is administered to every fifth student on the school enrollment list.

Which of these is a situation in which a census is a reasonable option?

A survey is administered to every third student who enters the school.

Researchers analyze medical records because they cannot administer a treatment due to ethical reasons.

Researchers need to collect a large amount of data.

Researchers cannot personally meet with all the subjects of their study.

48% of mothers polled said they worry about paying for their children's college tuition. 48% is _______________.

40% of all high school students across the US pass a standardized test. 40% is _______________.

Which type of sampling allows researchers to confidently generalize their results to the larger population?

Researchers are trying to determine whether a specific reaction is caused by a certain treatment.

100 students from each grade at a HS are selected and asked questions about school dances. What is this an example of?

A survey is administered to students who are in the media center before school starts.

A survey is administered to the students in your math class.