Population and Random Samples Lesson n 8-1

_______ is the entire group of objects or individuals considered for a survey.

• Sample

• Quartile

• Random Sample

• Population

_______ is a part of a group being surveyed.

• Sample

• Population

• Quartile

• Random Sample

_________ 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

What is the difference between a sample and a population?

• Populations only consider a portion of the sample being studied.

• Samples only consider a portion of the population being studied.

• Populations do not always represent the entire group of people in question.

• Samples are generally much larger than populations.

A sample should be

• representative of  only middle school students only
• a very large group
• representative of the population
• representative of people who volunteer

Ms. Falls wants to know 4th period's favorite food. She picks 10 students in 4th period to ask.

What is the population?

• All students at HMS

• All students in 4th period

• The 10 students Ms. Falls picks

• All students in 7th grade

Ms. Falls wants to know 4th period's favorite food. She picks 10 students in 4th period to ask.

What is the sample?

• All students at HMS

• All students in 4th period

• The 10 students Ms. Falls picks

• All students in 7th grade

Mrs. Terrell wants to know 7th grade students' favorite tv show. She picks 20 students to ask.

What is the population?

• All students at HMS

• All students in her 1st period class

• The 20 students who get picked

• All students in 7th grade

Mrs. Terrell wants to know 7th grade students' favorite tv show. She picks 20 students to ask.

What is the sample?

• All students at HMS

• All students in her 1st period class

• The 20 students who get picked

• All students in 7th grade

Mrs. Terrell wants to know 7th grade students' favorite tv show. She picks 20 students to ask.

How should Ms. Terrell pick her sample?

• Pick 20 students, all in her 2nd period

• Pick 20 students in 6th grade

• Pick 20 girls

• Pick 20 students in 7th grade