Sampling and Bias

Which method is described?

Interview every 10th student who enters the school in the morning.

• simple random

• voluntary response

• systematic

• convenience

Tags

CCSS.HSS.IC.B.3

Which method is described?

Assign each car in a dealership a number and then use a random-number generator to select the cars to be inspected.

• systematic

• simple random sample

• convenience

• voluntary response

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Which method is described?

Marianne wanted to know students' opinion on the new schedule at school. She survey's the first 30 students who come into her class.

• convenience

• systematic

• simple random sample

• voluntary response

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Which method is described?

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 sample

Tags

CCSS.HSS.IC.B.3

Which method is described?

An independent research company wants to go door to door to survey people in the city of Fontana. The company decides to number all blocks within the city limit, randomly choose 1 block and survey all households on that block.

• Simple Random Sample

• Stratified Random Sample

• Cluster Random Sample

• Systematic Random Sampling

Tags

CCSS.HSS.IC.B.3

The choir director in a high school wants to know how the students in the school feel about singing. If the director selects 100 girls and 100 boys to complete a survey, which method will result in a biased sample?

• The students will be selected from the choir
• The students will be selected randomly throughout the school
• The students will be selected on Wednesday afternoon before the choir concert
• The choir director will select five students from each of the forty homerooms in the school

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Which scenario would produce the least biased results?

• asking athletes at a gym what their favorite television show is
• asking shoppers at a store where their favorite place to shop is
• asking fans at a baseball game who their favorite baseball team is
• asking students in a college library what their favorite college sports team is

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

“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/wording 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