Calculating Mean and Median

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The career used here for calculating the mean and median is the salary of IT software company employees for example Microsoft.Let us have a look over the table giving the required details. Software trainees Monthly salary in Rs130,000220,000335,000425,000515,000640,000750,000830,000945,0001020,000Now if it is required to calculate the mean salary then it is the sum of total salaries of all employees divided by total number of software trainees. Mean = (30,000 + 20,000 + 35,000 + 25,000 + 15,000 + 40,000 + 50,000 + 30,000 + 45,000 + 20,000) / 10310000/1031000Hence Mean = 31,000 Rs which is the average salary of an software trainee of Microsoft.For median arrange the data in ascending order 15000 20000 20000 25000 30000 30000 35000 40000 45000 50000As the number of data is even hence median is as n/2 and (n+2)/210/2 = 5th position and (10+2)/2 = 6th positionSo mean at 5th and 6th position(30000 + 30000)/230000Hence median is 30000As we see that mean is 31000 and median is 30000 hence the best measure of central tendency isthe median as it is lower than mean

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