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

An SRS of 25 students is taken from each grade to form the sample.  This is what type of sampling design?

• Cluster
• SRS
• Stratified
• Multistage

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

Sampling method in which you randomly select where to BEGIN and then the other samples are added

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

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

Units of the population are grouped; one or more groups are selected at random.  All units of that group are included in the sample.

• cluster sample
• simple random
• stratified
• 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

To ensure that the experiment results are valid it is important that the experiment be...

• Replicated
• Controlled
• Randomized
• All of the above

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

The most important advantage of experiments over observational studies is that

• A) experiments are usually easier to carry out
• B)Experiments can usually give better evidence of causation
• C) Confounding cannot happen in experiments
• D) Observational studies cannot use random samples

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

Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.
This is a form of:

• Simple Random Sample
• Stratified Random Sample
• Voluntary Response
• Systematic Random Sampling

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

Chosen at random, 580 customers at a car dealership are contacted and asked their opinions of the service they received.
This is what type of sample?

• convenience
• stratified
• simple random sample
• cluster

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

Determine the type of sampling used in the following scenario: Starting at 8:00 Monday morning the first 50 students entering the front doors are selected to be in the sample.  This is what type of sampling design? 

• Systematic
• Voluntary Response
• Cluster
• Convenience

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

Determine if people who take vitamin C every day are less likely to get colds.

• Cencus

• Sample Survey

• Experiment

• Observational Study

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