HW 4 (1).docx

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MATH 1203 H OMEWORK #4 Y OUR N AME Please answer all of the following and show all your work: 1) [StatCrunch] Construct a Bar Plot of “Number of times reading newspapers per week” (“ne”). Construct a Histogram for the same variable. [Paste them into your answer sheet.] Which would you prefer to present in a report? Should we make a similar pair of graphs for “Religious service attendance”? Why or why not? I would choose the histogram because it shows us the outliers. No, because some religious people are very subjective and choose to be very religious at some points and then not at other points. 2) [StatCrunch] Construct a graphic that helps us to determine who exercises more per week (“sp”), men or women.

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3) During October 2008, the Dow Jones Industrial Average had the following end-of- day changes: -400, -500, -200, -700, -100, 900, -100, -700, 400, -100 What was the Mean daily change in the DJIA for these 10 days The mean daily change is -150 4) [StatCrunch] For the OECD data file, calculate the Mean for Physicians Per
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