Sample or Populations

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

• Sample

• Population

• Random Sample

• Quartile

A student surveys mathematics teachers to get their opinion on teaching.  What is the sample?

• All teachers in the world.

• All teachers within the school.

• All mathematics  teachers in the school.

• All teachers except mathematics teachers.

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

• Sample

• Population

• Random Sample

• Quartile

_______ is a part of a group being surveyed.

• Sample

• Population

• Random Sample

• Quartile

True or False: all samples lead to a good prediction about an entire population.

• True

• False

Which choice best represents a population?

• A selection of logo artists

• Every person in the United States

• A selection of shoppers from different states.

• 3,800 children age 5 - 15

A sample where characteristics accurately reflect those of the larger population from which the sample is being selected.

• Convenience Sample

• Random Sample

• Representative Sample

• Systematic Sample

A student wants to know which type of pizza the students at his high school prefer. Which option would give a unbiased, representative sample:

• Asking all the students in the hot lunch line.

• Asking 10 random students from each homeroom.

• Asking every other student who gets off a school bus.

• Asking all the 10th graders.

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.
She selects the five closest to her desk.

• simple random

• representative

• Convenience

• Systematic 

At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?

• to randomly ask 8th grade students who went on a field trip last year

• to randomly choose some 7th grade students to select a location

• to ask all 7th grade teachers and administrators for a location

• to ask the student council to choose a location