Exam 1a Sp07 sec001 KEY

Exam 1a Sp07 sec001 KEY - ECON 2843 Exam 1 Spring 2007 Form...

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ECON 2843 Name KEY Exam 1 ID # Spring 2007 Lab instructor Form A Meeting Time Students must show all work on problems that involve calculation. Questions 1 through 3 refer to the following. The top ten daily newspapers in the United States are shown below. Average Newspaper Daily Circulation Wall Street Journal 1,762,751 USA Today 1,692,666 New York Times 1,097,180 Los Angeles Times 1,033,399 Washington Post 762,009 (New York) Daily News 704,463 Chicago Tribune 661,699 Long Island Newsday 576,345 Houston Chronicle 546,799 Dallas Morning News 495,597 1. What is the interquartile range for the average daily circulation? (6 points) 5 a. 2.75 b. 5.5 c. 520,835 * d. 833,351 e. 1,267,154 2. What is the median of the average daily circulation? (6 points) 733,236 3. If a coffee shop decides to randomly subscribe to half of these newspapers, what is the probability that these will include the USA Today, the Wall Street Journal, the New York Times, the Washington Post, and the Dallas Morning news? (6 points) .0039683 1
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Questions 4 – 7 refer to the following. A research agency administered a demographic survey to
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Exam 1a Sp07 sec001 KEY - ECON 2843 Exam 1 Spring 2007 Form...

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