CCSS.Math.Content.HSS.IC.B.3

To study the amount of time students spend doing homework each day, use a random number generator to select 25 students from the student enrollment database to survey.

• Convenience Sample
• Simple Random Sample
• Stratified Random Sample
• Interval Sample

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CCSS.Math.Content.HSS.IC.B.3

Sampling method that consists of n individuals from the population chosen in such a way that every individual has an EQUAL chance of being selected.

• Stratified Sampling
• Simple Random Sampling (SRS)
• Cluster Sampling
• Systematic Sampling

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CCSS.Math.Content.HSS.IC.B.3

Sampling method in which you select SUCCESSIVELY smaller groups within the population and SRS is used each time

• Stratified Sampling
• Multistage (Sequential) Sampling
• Cluster Sampling
• Systematic Sampling

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CCSS.Math.Content.HSS.IC.B.3

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 five closest to her desk.

• simple random
• Voluntary Response
• Convenience
• Systematic Random

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CCSS.Math.Content.HSS.IC.B.3

Every possible group of units of the required size has the same chance of being the selected sample as any other sample of the same size.

• Simple Random 
• Thoughtful
• Typical
• Proportional

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CCSS.Math.Content.HSS.IC.B.3

Identify the sampling design: SCPS wants to survey its employees.  They pick 4 schools from the county and survey every single employee in each of the 4 buildings.

• cluster
• volunteer
• systematic
• simple random

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CCSS.Math.Content.HSS.IC.B.3

In order to perform an experiment using 60 members of a gym, I first divide the list of members into men and women because I feel that the results will be different based on gender. I then randomly choose 30 men and 30 women. I assign half of the men to the treatment group and half to the control group. I repeat this procedure with the women. This is an example of a:

• randomized comparative design
• blocking design
• matched pairs design
• double blind simple random sample

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CCSS.Math.Content.HSS.IC.B.3

Simple random sample and systematic random sample are two types of ...

• biased samples

• unbiased samples

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CCSS.Math.Content.HSS.IC.B.3

Sra. Garces wants to find the average height of all her students in her classes. She decides to use the first 5 people who walk in the door. Is this a good representative sample?

• Yes

• No

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CCSS.Math.Content.HSS.IC.B.3

What type of sampling is this? A journalist interviews all 86 people after they leave a restaurant and asks them how confident they are that the food is safe.

• Random sample

• Convenience sample

• Stratified Random sample

• Census

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CCSS.Math.Content.HSS.IC.B.3