How to Calculate the Mean or Average
So, add together all of the numbers and divide the total by 6 in order to get the mean. mean = (25 + 28 + 31 + 35 + 43 + 48)/6. mean = 210/6. mean = 35. Cite this Article. Explore how to calculate the mean or average of a set of numbers. Among other things, this will allow you to calculate your grade point average.