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calculating means, average and standard deviation
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VanceWorks:
I have three numbers 12.1g, 12.4g, and 12.6b.
means equal total of three number divided by 3.
answer: 12.4g
average deviation each number minus the means add together then divided by 3.
answer: -.033g
standard deviation squareroot then each number minus the means then squared add together then divided by 3-1.
answer: .255g
I think this is how you get the answer??
sdekivit:
standard deviation is given by:
sqrt sigma (X - X(mean))^2 / n - 1
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