Exercise
Form 2: Random Sampling Techniques
Explore common random sampling techniques used to gather data from a population. Practice identifying valid methods for selecting unbiased samples.
Questions
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MultiChoice
Which technique represents simple random sampling?
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MultiChoice
Selecting every 15th customer who enters a store is an example of which sampling method?
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MultiChoice
Which technique describes stratified random sampling for a school of 800 students?
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MultiChoice
What is the defining characteristic of a random sample?
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MultiChoice
A researcher surveys people standing next to them in a mall cafeteria. Which sampling method is used?
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MultiChoice
Which of the following is a valid method for generating a simple random sample?
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MultiChoice
Why might a researcher choose stratified random sampling over simple random sampling?
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MultiChoice
An inspector selects every 50th light bulb off an assembly line. What type of sampling is this?
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MultiChoice
A principal wants to randomly select 30 students from a school of 300. Which method is most appropriate?
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MultiChoice
Which method represents a stratified sample of a middle school?
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MultiChoice
If every card in a well-shuffled deck of 52 cards has an equal chance of being drawn, drawing 5 cards is an example of:
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MultiChoice
To obtain a representative stratified sample when groups are different sizes, a researcher should: