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MAT_151_Test_1_Review

# MAT_151_Test_1_Review - TestReview Chapters1and2 Question1...

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Test Review Chapters 1 and 2

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Question 1 In a recent survey, 1708 adults in the United States were asked if they think global warming is a problem that requires immediate government action. Nine hundred thirty-nine of the adults said yes. Identify the population. A. The 1708 adults in the US surveyed B. The US adults surveyed who responded “yes” C. All adults in the US D. All adults concerned about global warming
Question 2 A recent survey of a sample of MBAs reported that the average salary for an MBA is more than \$82,000. Identify \$82,000 as a A. Population B. Sample statistic C. Sample D. Population parameter

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Question 3 The symbol σ represents the A. population mean B. population standard deviation C. sample mean D. sample standard deviation
Question 4 Adam is conducting a study of the height of entering freshmen at Wake Tech. The data he collects will be A. qualitative B. quantitative and discrete C. quantitative and continuous D. not enough information was given

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Question 5 Consider the histogram shown below. Which would be the better way to describe the data set displayed? A. Empirical Rule B. Five Number Summary
Question 6  A study of the effectiveness of riding helmets marketed for use by riders jumping horses over 4 foot high fences would best be done as a/an A. Survey B. Experiment C. Simulation D. Observational Study

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Question 7 Starting salaries for the 667 MBA graduates from the University of Chicago Graduate School of Business increased 8.5% from the previous year. Identify 8.5% as a A. Population B. Sample statistic C. Sample D. Population parameter
Question 8 Meredith is studying the class sizes at Wake Tech. She has gathered enrollment information on every section offered in the Fall 2009 semester. The data she is collecting is A. qualitative B. quantitative and discrete C. quantitative and continuous D. not enough information was given

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Question 9 In a recent survey, 1708 adults in the United States were asked if they think global warming is a problem that requires immediate government action. Nine hundred thirty-nine of the adults said yes. Identify the sample. A. The 1708 adults in the US surveyed B. The US adults surveyed who responded “yes” C. All adults in the US D. All adults concerned about global warming
Question 10 Given the data below, compute the class width if 5 classes are to be used in a frequency distribution table used to study this data. (Number of pairs of shoes in closet) 6 7 7 7 8 8 9 10 14 15 15 17 22 23 25 28 28 31 34 38 38 40 40 42 A. 7 B. 8.4 C. 8 D. 7.3

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Question 11
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