Population and Sample

Identify the Population:
Gwinnett County Public Schools randomly selected 230 teachers to find out which technology resource is the most effective. 30 teachers chose Safari Montage, 45 selected Learn Zillion, 100 chose Ed Puzzle, and 55 chose Kahoot. GCPS concluded that all teachers prefer Ed Puzzle.

• 230 Teachers
• All teachers
• 100 Teachers
• 55 Teachers

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Identify the Population:
Members of the Drama Club plan to sell popcorn as a fundraiser for their Shakespeare production. They survey 75 students at random about their favorite flavors of popcorn. 33 students like butter, 15 like cheese, and 27 like caramel.

• 33 Students
• 75 Students
• All Students
• 27 Students

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Identify the Sample:
A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.

• 20 customers
• All customers
• 8 customers
• Dessert

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Identify the Sample:
To determine if the class understood the homework assignment, the math teacher checks the top 3 papers in the pile of collected homework. The teacher finds that all students understood the homework assignment.

• 3 Students
• All Students

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Identify the Population and Sample:
An agency wants to know the opinions of Georgia residents on the construction of Highway 316. The agency surveys 800 residents. 600 residents approve the construction. 200 residents disapprove the construction. The agency concludes that Georgia residents are pleased with the construction.

• Population: Georgia Residents
  Sample: 800 Residents
• Population: 800 Residents 
  Sample: Georgia Residents
• Population: 800 Residents
  Sample: 200 Residents
• Population: Highway 316
  Sample: 800 Residents

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2