To determine how often people eat out, every tenth person entering a Chinese restaurant is surveyed.

• Biased Sample

• Unbiased Sample

Tags

CCSS.HSS.IC.B.3

To get valid results, a sample must be...

• biased

• unbiased

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

• 7 Students in the hallway

• All students in the band

• 50 8th graders at random

• 100 students during the lunch periods.

Tags

CCSS.6.SP.A.1

Which is the population?

• an entire deck of cards

• five heart cards

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

An airport randomly selects inspects every 8th suitcase that goes through security.

• Unbiased

• Biased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

To determine how many students plan to attend the school musical, Maria surveys 100 random people in the hallway.

• Biased

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

To determine how many homes in his neighborhood plan to hand out candy on Halloween, Daniel chooses one street at random and surveys each household on that street.

• Biased

• Unbiased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

At the end of the year, a math teacher decides to survey his students to determine what they liked best about his class. He uses his first period class as his sample.

• Unbiased

• Biased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A total of 125 people were surveyed at the bake shop. Out of 600 people, how many would you expect to say their favorite pie is apple or blueberry?

• 811

• 47

• 117

• 235

Tags

CCSS.7.SP.A.2

Carlos wants to know the favorite sport of people at his school so he asks his baseball team.

• Biased

• Unbiased