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Fourth exercise : You have the following data on the performance of a hospital in two consecutive years: children section Men's section 2006 2007 2006 2007 number of 2000 1700 600 750 patients number of 6 7 10 12 doctors Number of nurses 15 13 19 15 What is required: 1- Measuring the productivity of both doctors and nurses in the two departments during the year 2009, 2- 2-Calculating the productivity growth rate of nurses in the pediatric department during 2007 for 4. The year 2009 AD. and 174