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If you were to read the results of a study showing that daily use of a certain exercise machine resulted in an average 10-pound weight loss, what more would you want to know about the numbers in addition to the average, before trusting the results? (Hint: Do you think everyone who used the machine lost 10 pounds?)

An auto manufacturer advertises that "90 percent of the cars we have ever made are still on the road." Assuming this is literally true, how can it be explained? What facts and/or statistics would you need to know to expose this misleading claim?

"The larger the sample, the more reliable the results." Do you agree or disagree with this statement? Explain.

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