Sampling and Bias vocab

What is a sample?

• group of people who represent a larger population

• group of people with certain specific characteristics

• sample that accurately reflects the characteristics of the population as a whole

• All of the Above

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

What is a representative sample?

• group of people who represent a larger population

• group of people with certain specific characteristics

• sample that accurately reflects the characteristics of the population as a whole

• All of the Above

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

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 EHS 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.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

I want to estimate how many hours EHS students play video games daily. I get a list of all English classes and randomly select 6 English classes. I survey all the students in those 6 classes. What kind of sampling method is this?

• Simple Random Sample

• Systematic Sample

• Stratified Sample

• Cluster Sample

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

I want to estimate the proportion of all adults in Chula Vista who graduated from high school. I select a random sample of addresses and go to those houses. When an adult answers the door, I ask if they had graduated from high school. If a child answers the door, I ask for an adult. If there is none there at the time, I return at another time to complete the survey. What is the most prominent bias?

• Non-response bias

• Response bias

• Voluntary response bias

• Undercoverage

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

I want to estimate the proportion of people in Chula Vista who own cats. I stand outside a local pet store and ask every 4th person whether they own a cat or not. What kind of sampling procedure is this?

• Simple Random Sample

• Stratified Sample

• Cluster Sample

• Systematic Sample

I want to estimate the proportion of people in Chula Vista who own cats. I stand outside a local pet store and ask every 4th person whether they own a cat or not. What is the most prominent kind of bias evident?

• Undercoverage

• Response

• Non-Response

• Voluntary Response

Tags

CCSS.HSS.IC.B.3

I want to estimate the proportion of adults in San Diego County who believe that the voting age should be reduced to 17. I get a list of all registered voters in the county and separate that list into several geographic regions and then collect an SRS from each geographic region. What kind of sampling method is this?

• Simple Random Sample

• Cluster Sample

• Stratified Sample

• Systematic Sample

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

I want to estimate the proportion of adults in San Diego County who believe that the voting age should be reduced to 17. I get a list of all registered voters in the county and separate that list into several geographic regions and then an SRS from each geographic region. What kind of bias, if any, is evident in this sampling design?

• Response Bias

• Non-Response Bias

• Undercoverage Bias

• There is no bias evident in the sampling design.