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Data Sufficiency - 50

What is the median number of employees assigned per project for the projects at Company Z? (1) 25 percent of the projects at Company Z have 4 or more employees assigned to each project. (2) 35 percent of the projects at Company Z have 2 or fewer employees assigned to each project.

Answer: OA - C

From Statement 1): It is given that 25 percent of the projects at Company Z have 4 or more employees assigned to each project - but we donot know the percentage of projects who have employees less than 4 or in other words we do not have any information about the rest 75% projects ---- hence insufficientFrom Statement 2): It is given that 35 percent of the projects at Company Z have 2 or fewer employees assigned to each project - but we donot know the percentage of projects who have employees more than 2 or in other words we do not have any information about the rest 65% projects---- hence insufficientTaking both the statements together: 25 percent of the projects at Company Z have employees 4 , 5, 6..35 percent of the projects at Company Z have employees 2, 1, 0=> 40% of projects have 3 employees = > median value is 3(1-35)employees -- (36-75)employees -- (76-100)employees2 or less than 2 ---------3, 3, 3, ------------ 4 or more than 4