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

Solved by S. L. in 25 mins

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

what does this formula mean in excel =$C8/SUM($J6:$J7)*$J10

Solved by V. F. in 12 mins

I'm trying to find the mean,range,mode and standard deviation of a sample. Basic statistics in Excel

Solved by B. W. in 25 mins

Calculate 97% confidence interval for the mean in Excel template given. Ensure the upper and lower limits are provided.Maurice

Solved by F. A. in 18 mins