1/8 Sampling Methods A.ST.1a-i

Identify the Population:

Cherokee County Schools randomly selected 230 teachers to find out which technology resource its teachers feel is the most effective. What is the population in this situation?

• 230 Teachers

• All Cherokee County teachers

• All Cedar Bluff teachers

• All Sand Rock and Spring Garden students

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Identify the Sample:

The Huddle House wants to know if their 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 manager at Huddle House concluded that most customers do not order dessert. What is the SAMPLE in this scenario?

• 20 customers from Huddle House

• All customers from Huddle House that evening

• 8 customers from Huddle House

• The employees from Huddle House

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

The city of Cedar Bluff has 832 registered voters. The election for mayor has 3 candidates. A telephone poll taken a day before the election of 67 voters that are friends of the candidates shows these results: 30 Smith, 27 Jones, 10 Brown. Name the sampling method used for this survey.

• Convenience Sample

• Random Sample

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 an equal chance of being selected.

• Random Sample

• Convenience Sampling

Tags

CCSS.HSS.IC.B.3

Marianne wanted to know students' opinion on the new schedule at school. She places students' names in a container and randomly picks out 20 names. 

• Convenience Sampling
• Simple Random Sampling

Tags

CCSS.HSS.IC.B.3

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 sampling

• convenience sampling

Tags

CCSS.HSS.IC.B.3

Interview the first 30 students who enter the school in the morning. 

• simple random sampling

• convenience sampling

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Select the question(s) which could be answered by collecting bivariate data. Select all that apply.

• How much does it typically cost to own a horse?

• Does the amount of fertilizer used impact the number of tomatoes a plant produces?

• What is the relationship between reaction time and age?

• What interest rate can I expect on a car loan?

Tags

CCSS.6.SP.B.5B

A social worker notices that many of the children he helps say they want to go to the playground during their sessions. He is curious if there is a relationship between age of children and time spent at playgrounds each week in his town. Identify the target population.

• Children in the town

• Adults in the town

• Elderly in the town

• Teenagers in the town

What type of relationship is shown?

• No correlation
• Nonlinear relationship that changes over different intervals
• Positive Correlation
• Negative correlation

Tags

CCSS.HSS.ID.B.5