Question

Several neurosurgeons wanted to determine whether a dynamic system (Z-plate) reduced the number of acute postoperative days in the hospital relative to a static system (ALPS plate). R. Jacobowitz, Ph.D., an Arizona State University professor, along with G. Vishteh, M.D., and other neurosurgeons obtained the following data on the number of acute postoperative days in the hospital using the dynamic and static systems.
a. Obtain dotplots for each of the two data sets, using the same scales.
b. Use your result from part (a) to compare the two data sets.


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  • CreatedAugust 13, 2015
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