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The mean age is calculated by adding up all the ages and dividing by the number of employees.
34 + 41 + 28 + 35 + 27 + 44 + 48 + 29 + 33 + 39 = 338
338 / 10 = 33.8
So, the mean age is 33.8.
Therefore, the closest response is 35.8.