Population vs Sample

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.

Mrs. Delgado asks the first ten students at Clinton Elementary about what they think the new school's mascot should be. Identify the population and sample.

• Population: First ten students

  Sample: All students at Clinton Elementary

• Population: All students at Clinton Elementary

  Sample: First ten students

A school principal wants to offer an after-school club setting. She decided to survey 300 students about this. Which word best describes the group of 300 students?

• Population

• Sample

• Census

• Prediction

A survey of 976 American households found that 32% of the households own two cars.  Identify the the sample. {hint: a survey of what __)

• All American households

• 976 American households

• 32% of Americans own two cars

• two cars

80 7th graders at CMS were asked what their favorite season was. Does this represent a population or a sample?

• sample

• Population

If a population consists of 500 people and a sample of 50 people is taken, what is the sample size as a percentage of the population?

A ​ ​ (a)   is an entire group, while a ​ (b)   is a smaller chosen part.

• population

• sample

80 7th graders at CMS were asked what their favorite season was. Does this represent a population or a sample?

• sample

• Population

30% out of 200 Mr. Tran’s students earned A for the final grade average from the last semester.

Identify the sample {a partial part of the large group}

• 200 Forest Park students

• 30% of Forest Park students

• 200 Mr. Tran's students

• 30% of 200 Mr. Tran's students

Identify the population {which group was mentioned in the statement }

• 200 Forest Park students

• 30% of Forest Park students

• 200 Mr. Tran's students

• 30% of 200 Mr. Tran's students