SR.DSR.3.3
Design sample surveys, experiments, and observational studies using accepted practices.
Example Problems
A school chooses 3 randomly selected athletes from each of its sports teams to participate in a survey about athletics at the school.
What type of sample is this: simple random sample, stratified random sample, cluster random sample, or systematic random sample?
What type of sample is this: simple random sample, stratified random sample, cluster random sample, or systematic random sample?
An airline company wants to survey its customers one day, so they randomly select 5 flights that day and survey every passenger on those flights.
What type of sample is this: simple random sample, stratified random sample, cluster random sample, or systematic random sample?
What type of sample is this: simple random sample, stratified random sample, cluster random sample, or systematic random sample?
A delivery company evaluates service on a given day. It randomly selects 8 delivery routes that day and contacts every customer served on those routes.
What type of sample is this: simple random sample, stratified random sample, cluster random sample, or systematic random sample?
What type of sample is this: simple random sample, stratified random sample, cluster random sample, or systematic random sample?
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