Population & Samples

An environmental advocacy group wants to know how residents intend to vote on a proposal to reduce bus service to certain neighborhoods in the city. They decide to conduct a survey.

Which describes a representative sample of the population for the situation?

• a randomly selected group of members at a local gardening club

• a randomly selected group of residents from the city’s voter registration records

• a randomly selected group of workers at a factory that employs a large percentage of the city

• a randomly selected group of residents in the neighborhoods affected by the proposal

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The counselors at a camp are scheduling activities for family visitation day. They decide to conduct a survey to determine which activities campers would most like to share with their families.

Which describes a method for getting a sample that is both representative and random?

• During the dinner hour, announce that any camper interested in doing so can collect and complete a survey.

• During camp free time, ask every fifth camper in the arts and crafts hall to complete a survey.

• During morning roll call, ask every tenth camper to complete a survey.

• During camp free time, ask all campers down at the lake to complete a survey.

Tags

CCSS.HSS.IC.B.3

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

_________ 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

Tags

CCSS.HSS.IC.B.3

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

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The choir director in a high school wants to know how the students in the school feel about singing. If the director selects 100 girls and 100 boys to complete a survey, which method will result in a biased sample?

• The students will be selected from the choir
• The students will be selected randomly throughout the school
• The students will be selected on Wednesday afternoon before the choir concert
• The choir director will select five students from each of the forty homerooms in the school

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy
• thirty students who are rarely tardy
• thirty of her friends
• thirty randomly selected students from her school

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A beverage company wanted to see if people in the United States liked their new logo. 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

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A toy store owner tracking how much kids spend each month on toys. Which choice best represents a population?

• All of the kids who buy toys.

• 227 wealthy kids.

• 228 boys age 7 - 15

• 235 kids from age 10 to 15.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1