6.1 Sampling

Dylan wants to know how the students at his school rate the cafeteria.  He surveyed his school's basketball team to rate the school cafeteria. Is this a biased sample of the school's population?

• Yes, because it is a convenience survey
• No, the basketball team has the smartest students
• Yes, because it's voluntary survey
• No, he should have asked the football team

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Identify the Population:
Wicomico County Public Schools randomly selected 230 teachers to find out which technology resource it's teachers feel is the most effective.

• 230 Teachers
• All Wicomico County Teachers
• Students
• Wicomico County Public Schools

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

You want to know what is the most favorite sport of 7th graders at BMS.  You ask 7th graders who want to participate to go to the office 5th period to complete a survey.  This is...

• Biased, because it is a convenience sample
• Unbiased
• Biased because it is an interval sample
• Biased because it is a volunteer sample

The population describes:

• The group of people, objects or events being surveyed
• a part of the group being surveyed
• the whole world
• the school

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Unbiased sampling is:

• when you choose the group you think will give you the answer you want, accept volunteers or survey by convenience
• when any member of the population is equally likely to be chosen for the sample

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

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

• Convenience Sampling
• Systematic Sampling
• Random Sampling
• Volunteer response

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

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

• simple random
• voluntary response
• systematic
• convenience

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.
This is a form of:

• Random Sample
• Convenience Sampling
• Voluntary Response
• Systematic Sampling

Tags

CCSS.7.SP.A.1

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 first five who raise their hands.

• Systematic
• Convenience
• Voluntary Response
• Simple Random

Tags

CCSS.7.SP.A.1

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys.
She picks the student in every 5th seat.

• Simple Random
• Systematic Random
• voluntary response
• convenience

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4