You add the numbers together and divide by the number of numbers. So, 2+4+6+8 totals 20. Divided by four gives you five.
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Add the numbers together, and then divide by the original amount of numbers in the set.To work out the mean (the average) in maths, you have to add up all of the numbers you are averaging, then divide what you now have by the amount of numbers you started with.
5
2
The average of a set of numbers is their sum divided by how many there are. So, the average here is (250 + 310 + 275 + 195) / 4 and you can work that out.
There are many sets of numbers with an average of 50.Two numbers with an average of 50 is 49 and 51.