10
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To find the mean you first have to add up all the numbers then you divide it by how many numbers you have and you got the mean. Example: 12+13+5=30 30/3=10 10 is the mean
it means the average. add up all of the numbers and divide by the number of numbers you added. for example, 10+ 10+10=30 the mean is 30 divided by 3 = 10 the average! A nasty average?
The geometric mean of two numbers is the square root of their product. In you instance any two factors of 900 will have a geometric mean of 30 eg 2 & 450 (2 x 15 = 30, 30 x 15 = 450); 3 & 300 (3 x 10 = 30, 30 x 10 = 300); 6 & 150 (6 x 5 = 30, 30 x 5 = 150) etc etc
mean | 30 median | 18 standard deviation | 35.496
30