b. The age of employees at one of the company are given below. Age Number Employees 20 – 24 3 25 – 29 7 30 – 34 19 35 – 39 33 40 – 44 50 45 – 49 39 50 – 54 37 55 – 59 11 60 – 64 10 Calculate the average age, mode and median age

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