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10% of 69 = 6.9 "10% off 69" can mean taking 10% away from 69, which would leave you with 62.1
Sum = 69Count = 10So mean = sum/count = 69/10 = 6.9Sum = 69Count = 10So mean = sum/count = 69/10 = 6.9Sum = 69Count = 10So mean = sum/count = 69/10 = 6.9Sum = 69Count = 10So mean = sum/count = 69/10 = 6.9
This is simple to figure out: Add all of those numbers together and then divide it by how many numbers you added up. Use a caculator if you have to.
The median of 2 numbers is the same as their mean, which is (69 + 78)/2 = 73.5
78.4