Random Sampling Vocabulary

Choosing a sample in a way that everyone has an equal chance of being in the sample.

• Convenience Sampling

• Random Sampling

• Voluntary-Response Sampling

• Systematic Sampling

What type of a survey is it when every person in the population has an equal chance of being selected?

• Systematic Random Sample

• Convenience Sample

• Simple Random Sample

• Voluntary Response Sample

When each member of a population has an equal choice of being chosen the method is called what?

• Random Sample

• Convenience Sample

• Systematic Sample

• Subject

Andre wants to survey a random sample of the student body in his school to find out which day after school would work best for students to do volunteer work for a local charity. Which sample would best represent the student body?

• asking twenty students waiting in line for lunch

• asking twenty students on their way to the bus after school

• asking one person from the seventh grade daily for twenty days

• asking one person each from twenty different classrooms during the first class period

Select all that apply!

• A

• B

• C

• D

• E

_________ is a sample in which each individual or object in the entire population has an equal chance of being selected.

• Sample

• Population

• Random Sample

• Quartile

A sample in which each individual or object in the entire population has an equal chance of being selected.

• biased sample

• population

• random sample

• sample

Select all the options that would produce a random sample.

• Survey the first 50 people that walk in the doors.

• Survey everyone at his jazz band practice.

• Survey two randomly chosen students in every homeroom.

• Assign each student in the school a number, randomly choose 50 numbers, and survey those students.

• Survey every third student that he sees on his walk to school.

?

• Thomas should ask 30 students in the eighth grade.

• Thomas should ask 30 of his closest friends.

• Thomas should ask 30 students in the seventh grade.

• Thomas should ask 30 people eating lunch at McDonalds across the street from school.

Which is an example of a random sample?

• Polling the first 10 people who enter a room

• Asking a survey question to people who call in

• Drawing 10 names from a hat