Chapter 7_Tests_Quizzes - Test 7C.pdf - Test 7C AP...

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Test 7CAP StatisticsName:Part 1:Multiple Choice.Circle the letter corresponding to the best answer.1.According to the DuPont 2007 Global Automotive Color Popularity Report, 19% of all carsmanufactured in 2007 were white.In a random sample of 100 cars parked in long-termparking at Philadelphia International Airport, 22% of the cars were white.Which of thefollowing statements is true?(a) 19% and 22% are parameters, 100 is a statistic.(b) 19% is a parameter, 22% is a statistic.(c) 19% is a statistic, 22% is a parameter.(d) 19% and 22% are statistics, 100 is neither a parameter nor a statistic.(e) 19%, 22%, and 100 are all statistics.
2.The best statistic for estimating a parameter has which of the following characteristics?
3.Which of the following best describes a sampling distribution?....
4.In a large population of adults, the mean IQ is 112 with a standard deviation of 20.Suppose200 adults are randomly selected for a market research campaign.The sampling distributionof the sample mean IQ is
© 2011 BFW PublishersThe Practice of Statistics, 4/e- Chapter 7333
334The Practice of Statistics, 4/e- Chapter 7© 2011 BFW Publishers

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Term
Fall
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Normal Distribution, Standard Deviation, Practice of Statistics, BFW Publishers

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