Short Answer
Another article in the October 7, 2007, issue of Parade magazine claimed that one-third of all homicides in the United States remain unsolved.
a. Is this number (one-third) a parameter or a statistic? (No explanation is needed.)
b. What are the observational units?
c. If a researcher studies a random sample of 150 homicides from around the United Sates, will he/she necessarily find that one-third of them remain unsolved? Explain briefly.
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a. This number is a parameter because it...View Answer
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