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Formula for summation of indexed data

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Please provide step-by-step solution to figure out these types of problems.


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Always remember that you are in control of the statistical process, so don't let it control you. Statistics is all about trying to figure out the unknown through multiplication, division, addition and subtraction. Always associate the world of statistics to a simple saying that you can always remember: My Dear Aunt Sally... M, D, A, S.

Take a look at what we have here and remember that it's all about finding an unknown. Ask yourself what is known in the above situation? Well... We know we have a set of numeric or measurement ...

Solution Summary

The expert provides in-depth explanation on how to determine the formula for a summation of indexed data. Solution provides step-by-step instruction.