1.A sportswriter wants to know how strongly the res-idents of Indianapolis, Indiana, support the local minor league baseball team, the Indianapolis Indi-ans. He stands outside the stadium before a game and interviews the first 30 people who enter the stadium. Suppose that the newspaper asks you to comment on the approach taken by this sportswriter in performing the survey. How would you respond?
2. Provide an example of when you might want to take a stratified random sample instead of a simple random sample, and explain what the advantages of a stratified sample might be.
3. What is the difference between a standard deviation and a standard error? Be precise.
4. Explain as precisely as possible what the central limit theorem says about averages.
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