Samples and Bias

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

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

• Sample
• Population
• Random Sample
• Quartile

Tags

CCSS.7.SP.A.1

A sample in which every person, object, or event has an equal chance of being selected.

• A. Random sample.

• B. Biased sample.

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Larger random sample sizes are more representative of a population.

• A. True

• B. False

Tags

CCSS.7.SP.A.1

When a sample does not accurately represent the population it is a:

• A. Unbiased sample

• B. Biased sample

Tags

CCSS.7.SP.A.1

Determine if this would lead to a Biased or Not Biased sample.
A public library asked every 10th person who entered to name the type of book they were getting.

• A. Biased

• B. Not Biased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Determine if this would lead to a Biased or Not Biased sample.

Fewer accidents occur at intersections with stoplights than at intersections that do not have stoplights. Would you be in favor of stoplights at the intersection of Main and Perry Streets?

• Biased

• Not Biased

Determine if this would lead to a Biased or Not Biased sample.

To see who has a computer at home the front office chooses 10 students randomly per grade to ask

• Biased

• Not Biased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Determine if this would lead to a Biased or Not Biased sample.

A senator wants to how she is doing. She sends a survey to 1000 registered voters in her party and asks that they return the survey.

• Biased

• Not Biased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Determine if this would lead to a Biased or Not Biased sample.

Asking the question: "Do you want a delicious salad for lunch or the usual sandwich you get every day?"

• Biased

• Not Biased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1