• Define the terms "sample" and "population" and describe some of the advantages and disadvantages of using a sample compared to a population. Support your reasoning with examples.
• A researcher is studying the effects of caffeine on exam scores of college students. In this study:
• What would be the population and sample of this research? Extrapolate your views of the advantages and disadvantages of samples and populations to this example.
• Why would the researcher want to use a sample or a population in this study?

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