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Concept explainers
Instructions: Choose one or more of the data sets A–J below, or as assigned by your instructor. The first column is the X, or independent, variable and the second column is the Y, or dependent, variable. Use Excel or a statistical package (e.g., MegaStat or Minitab) to obtain the simple regression and required graphs. Write your answers to exercises 12.46 through 12.61 (or those assigned by your instructor) in a concise report, labeling your answers to each question. Insert tables and graphs in your report as appropriate. You may work with a partner if your instructor allows it.
State your a priori hypothesis about the sign of the slope. Is it reasonable to suppose a cause-and-effect relationship?
DATA SET B Midterm and Final Exam Scores for Business Statistics Students, Fall Semester 2011 (n = 58 students)
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Chapter 12 Solutions
Gen Combo Ll Applied Statistics In Business & Economics; Connect Access Card
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