Sampling and Surveys

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
• Systematic Random Sampling
• Simple Random Sampling
• Volunteer response

Tags

CCSS.HSS.IC.B.3

Why do we randomly select our samples?

• for control
• reduce bias
• so we don't get the same answers from everyone
• to eliminate confounding results

Tags

CCSS.HSS.IC.B.3

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.7.SP.A.1

CCSS.HSS.IC.A.1

You want to know what is the most favorite sport of 11th graders at SCHS. You ask 11th graders who want to participate to find you at a certain place during lunch to complete a survey. This is...

• Biased, because it is a convenience sample

• Unbiased

• Biased because it is a volunteer sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Source of bias in which some groups of populations are LEFT OUT of the selection process

• Response Bias

• Undercoverage

• Convenience Sampling

• Voluntary Response

Tags

CCSS.HSS.IC.B.3

“Some cell phone users have developed brain cancer. Should all cell phones come with a warning label explaining the danger of using cell phones?”

What kind of bias is evident in this survey question?

• Undercoverage Bias

• Non-Response Bias

• Response Bias

• Voluntary Response Bias

Tags

CCSS.HSS.IC.B.3

Many websites like Amazon and Yelp include customer ratings and reviews of products, restaurants, hotels, and so on. What is the predominant bias evident in these ratings and reviews?

• Response Bias

• Non-Response Bias

• Undercoverage Bias

• Voluntary Response Bias

Tags

CCSS.HSS.IC.B.3

I want a representative sample of likely voters. I use a telephone directory to randomly select 200 people. What is the most apparent bias?

• Undercoverage

• Nonresponse

• Response

• Voluntary Response

Tags

CCSS.HSS.IC.B.3

I want to estimate the average number of hours SCHS students spend playing video games. I sample all of my students. What kind of sampling method is this?

• Cluster sample

• Stratified Sample

• Convenience Sample

• Simple Random Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A store manager wants to estimate the proportion of all the customers of the store who would use store credit card for their purchases. The manager selects a random sample of 1000 customers from their customer loyalty program list and sends them a survey asking if they would be interested in applying for a store credit card. Seventy-eight customer respond to the survey. What kinds of biases are evident in this scenario?

• Non-Response Bias

• Response Bias

• Undercoverage Bias

• Volundary Response Bias

Tags

CCSS.HSS.IC.B.3