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I need help calculating probability in excel

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What does variance +/- 30 days mean in excel?

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Need help calculating interest in Excel.

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I need help in excel calculating sales and other sales

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how do you calculate percentile rank in excel when the question mean is known for 10 companies. Example the Mean is 3.58 from the sum of the 10 companies Mean divided by 10. The lowest Mean of the 10 organizations is 2.85 and the highest Mean is 4.22
Our goal is to be able to show the percentile rank of the 10 companies for their mean.

Solved by X. W. in 27 mins